Replication of the lagging strand of DNA is accomplished by adding new RNA primers. This creates Okazaki fragments the lagging strand.RNA primers.
Deoxyribonucleic acid is a polymer composed of polynucleotide chains that coil spherically each one-of-a-kind to form a double helix. The polymer includes genetic instructions for the development, functioning, boom, and replica of all seemed organisms and lots of viruses.
In all dwelling things, DNA is vital for an inheritance, coding for proteins, and offering instructions for life and its tactics. Human cells commonly consist of 23 pairs of chromosomes, for a complete forty-six chromosomes in every cell.
Most DNA is positioned within the cell nucleus. Mitochondria are structures within cells that convert the power from meals right into a shape that cells can use.
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What are the two divsions of the peripheral nervous system?
Answer:
The answer will be somatic nervous system and autonomic nervous system.
Explanation:
Nervous system contain many interconnecting nerves that helps brain to respond according to stimuli. The nervous system is divided into central and peripheral nervous system. Peripheral nervous system again divided into the somatic nervous system and the autonomic nervous system.
What is nervous system?The peripheral nervous system consists of nerves that comes out from brain and spinal cord.
These nerves helps to form a network for communication between central nervous system.
Peripheral nervous system is divided into:
Autonomic nervous system: It is visceral efferent system as it sends motor impulse to visceral organs.Somatic nervous system: It contain sensory and motor neurons that sends and receive sensory information from motor neurons.Thus, there are two divisions of peripheral nervous system, these are autonomic and somatic nervous system.
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When neurotransmitters are released in the synaptic cleft they diffuse to the postsynaptic neuron and bind to ligand-gated receptor proteins which produce _______________ potentials in the postsynaptic membrane.
When neurotransmitters are released in the synaptic cleft they diffuse to the postsynaptic neuron and bind to ligand-gated receptor proteins which produce graded potentials in the postsynaptic membrane.
A synapse is the point of contact between two neurons, and it comprises an axon terminal and a small gap known as the synaptic cleft.
The end of the axon terminal, which is also referred to as the presynaptic neuron, contains a series of sacs filled with neurotransmitters. In contrast, the membrane at the end of the dendrite is called the postsynaptic membrane or neuron.
When the action potential reaches the axon terminal, the sacs release neurotransmitters into the synaptic cleft, which is located between the presynaptic neuron and the postsynaptic neuron. These neurotransmitters are molecular messengers that help to transmit information across the synapse
Graded potentials are changes in the electrical potential of the cell membrane that are caused by the binding of neurotransmitters to ligand-gated channels. Graded potentials are also known as postsynaptic potentials since they occur in the postsynaptic neuron.
Graded potentials can be either inhibitory or excitatory, depending on the type of neurotransmitter that is released.
They are termed graded because their magnitude is directly proportional to the amount of neurotransmitter that is released by the presynaptic neuron. The graded potential produced by the binding of neurotransmitters to ligand-gated channels is similar to an action potential in that it involves a change in the membrane potential of the postsynaptic neuron. The magnitude of the change, however, is much smaller than that of an action potential, and it is not sufficient to cause the neuron to fire.
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an individual with lactose intolerance may benefit from taking supplemental:
An individual with lactose intolerance may benefit from taking supplemental lactase.
Lactose intolerance is a condition where the body lacks the enzyme lactase, which is responsible for breaking down lactose, the sugar found in milk and dairy products. As a result, individuals with lactose intolerance experience digestive symptoms such as bloating, diarrhea, and abdominal discomfort when consuming lactose-containing foods.
Taking supplemental lactase can help alleviate the symptoms of lactose intolerance. Lactase supplements contain the enzyme lactase, which aids in the digestion of lactose. By taking these supplements before consuming lactose-containing foods or beverages, individuals with lactose intolerance can help their bodies break down lactose more effectively, reducing or even preventing the associated digestive symptoms.
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what is an example of a passive transport across the cell memberane
Answer: Diffusion and Osmosis
Explanation: Diffusion and Osmosis are processes that don’t use ATP or energy. Both of these processes involve molecules moving from an area of high concentration to low concentration. Osmosis is the diffusion of water.
A lion cub has the alleles B/B for a specific gene. Which of the following
parents could NOT be the father of this cub? *
А/В
А/С
B/C
B/B
How is the number of bonds carbon can make related to its ability to form molecules with many different shapes?
because each carbon atom can form four chemical bonds to other atoms and because the carbon atom is just the right or small size to fit in comfortably as parts of very large molecules.
The number of bonds carbon can make is related to its ability to form molecules with many different shapes because: it can form four (4) covalent bonds, rings, straight chains, and wrench chains.
Carbon refers to a non-metallic and tetravalent chemical element which is represented with the chemical symbol C and it has an atomic number (number of protons) of six (6).
Generally, carbon (C) has the ability to form chains that are almost unlimited in length because an atom of carbon can bond to other carbon atoms.
This ultimately implies that, carbon (C) can form molecules with many different shapes as a result of the number of bonds carbon it can make.
Hence, the ability of carbon (C) form molecules with many different shapes is simply because of the following:
Carbon (C) can form four (4) covalent bonds.It can form rings.It can form straight and wrench chains.Carbon (C) atoms can bond to other carbon atoms.Read more: https://brainly.com/question/17574947
Aaron, Blaine, and Cruz are solving the equation
4
7
(7 − n) = −1.
Aaron started his solution by multiplying both sides
of the equation by
7
4
.
Blaine started by using the distributive property to
multiply
4
7
by both 7 and −n.
Cruz started by dividing both sides of the equation
by
4
7
.
Which of the following is true?
Blaine and Cruz made an error in picking their first steps.
Cruz made an error in picking his first step.
All three made an error because the right side equals -1.
All three chose a valid first step toward solving the equation.
Cruz made an error in picking his first step. Therefore, option B is correct.
Aaron's step: Multiplying both sides by 7/4. This step is valid because multiplying both sides of an equation by the same non-zero value does not change equality.
Blaine's step: Using the distributive property to multiply 4/7 by both 7 and -n. This step is also valid because it correctly applies the distributive property to the expression.
Cruz's step: Dividing both sides by 4/7. This step is incorrect because dividing both sides of an equation by a non-zero value does not preserve equality. To solve for 'n', Cruz should have multiplied both sides by 7 - n instead.
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Answer:
yo
Explanation:
its D
or
All three chose a valid first step toward solving the equation.
What process occurs within the Earth that causes the plates to move?
Answer:
The heat from radioactive processes within the planet's interior causes the plates to move, sometimes toward and sometimes away from each other. This movement is called plate motion, or tectonic shift.
Explanation:
The theory of plate tectonics revolutionized the earth sciences by explaining how the movement of geologic plates causes mountain building, volcanoes, and earthquakes.
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What factors can affect how enzymes work?
Explanation:
Enzyme activity can be affected by a variety of factors, such as temperature, pH, and concentration. Enzymes work best within specific temperature and pH ranges, and sub-optimal conditions can cause an enzyme to lose its ability to bind to a substrate.
cell clone selection and proliferation process have which of the following
relations to the antigen? Antigen-dependent Antigen independent Absence of specificity T-cell dependent
The relation between cell clone selection and proliferation process is antigen-dependent.
During an immune response, antigen-presenting cells (APCs) capture and process antigens and present them to T cells. T cells recognize specific antigens through their T cell receptors (TCRs). When a T cell encounters an antigen that matches its TCR, it undergoes a process called cell clone selection. The T cell with the appropriate TCR specificity is selected for further activation and proliferation.
This antigen-dependent selection process ensures that only T cells that can recognize and respond to the specific antigen are activated. These activated T cells then undergo proliferation, resulting in the expansion of the selected T cell clones.
The antigen-independent selection refers to the development and selection of B cells in the bone marrow and does not directly relate to the process of T cell activation and proliferation.
The absence of specificity would mean that there is no specific recognition of antigens and therefore no specific selection and proliferation of T cell clones.
T-cell-dependent refers to the fact that T cells play a crucial role in the activation and proliferation of B cells during an immune response, but it does not directly describe the relation between cell clone selection and proliferation process.
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what types of pollutant can kill or harm any marine organism without being eaten?
There are several types of pollutants that can harm or kill marine organisms without the need for them to be directly consumed. Some of these pollutants include:
Oil SpillsHeavy MetalsChemical DischargesSewage and WastewaterPollutants refer to harmful substances or contaminants that are introduced into the environment, causing damage to ecosystems, human health, or both. These substances can be either naturally occurring or human-made and can exist in various forms such as gases, liquids, or solids.
Air pollutants include gases like carbon monoxide, sulfur dioxide, nitrogen oxides, and volatile organic compounds, as well as particulate matter like dust, smoke, and pollen. Water pollutants consist of chemicals, toxins, heavy metals, pathogens, and excess nutrients that contaminate water bodies such as rivers, lakes, and oceans. Soil pollutants encompass pesticides, fertilizers, industrial waste, and toxic substances that degrade soil quality and affect plant growth.
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What effect do the sulfate aerosols formed by volcanoes have on global temperatures?
Answer:
There is overall agreement that volcanic sulphate aerosols in the stratosphere can reduce solar radiation reaching the earth's surface for years, thereby reducing surface temperatures, affecting global circulation patterns and generally the global climate system.
Name of a similar drug that would have the same effect as longmasterol?
Alternative medicine includes a broad variety of therapeutic techniques that are not deemed traditional by the medical community, such as homoeopathy, plant therapies, naturopathy, chiropractic, acupuncture, and others. Some of these treatments are now recognised as being beneficial in certain circumstances. From July to September 2010, the ISMP MERP received reports of unclear medication names. Valtrex (valACYclovir) and Valcyte are both antiviral medications (valGANciclovir). The generic names for these two drugs are remarkably identical, and both the brand and generic names begin with the prefix "val," adding to the appearance and sound-alike confusion.
Methylphenidate short-acting medicines are found in the following strengths: Substance Potency Ritalin 5 mg, 10 mg, and 20 mg, Ritalin SR 20 mg, and methylphenidate 5 mg, 10 mg, and 20 mg.
Doctors prefer to give long-acting stimulants and supplement with a short-acting medication if the long-acting drug's impact goes off. Dextro-methylphenidate is a methylphenidate variant found in Focalin and Focalin XR. This methylphenidate variant is more potent than its standard cousin.
Which type of system is shown below?
When hydrogen ions are pumped out of the mitochondrial matrix, across the inner mitochondrial membrane, and into the space between the inner and outer membranes, the result is: A. damage to the mitochondrion B. the reduction of NAD C. the restoration of the Na-K balance across the membrane D. the creation of a proton gradient
The result is: D. the creation of a proton gradient.
When hydrogen ions (protons) are pumped out of the mitochondrial matrix, across the inner mitochondrial membrane, and into the space between the inner and outer membranes, it creates a proton gradient. This process is known as electron transport and oxidative phosphorylation, which are key steps in cellular respiration.
During electron transport, the electrons derived from molecules such as NADH and FADH2 are passed through a series of protein complexes in the inner mitochondrial membrane. As the electrons move through these complexes, hydrogen ions are actively transported from the matrix to the intermembrane space. This creates a higher concentration of protons in the intermembrane space compared to the matrix, establishing an electrochemical gradient.
The proton gradient created by the movement of hydrogen ions across the inner mitochondrial membrane serves as a source of potential energy. This gradient drives the synthesis of ATP through a process called chemiosmosis. The protons flow back into the matrix through ATP synthase, an enzyme complex that harnesses the energy of the proton gradient to produce ATP.
In summary, the pumping of hydrogen ions out of the mitochondrial matrix and into the intermembrane space results in the creation of a proton gradient, which is essential for ATP production during oxidative phosphorylation.
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Which healthcare professional requires the greatest amount of education prior to working?
O neurosurgeon
O neurologist
neuroscience nurse
O neuro physical therapist
Answer:
Neuroligsts
Explanation:
Answer:
A. neurosurgeon
Explanation:
:D
Imagine that you're a researcher in a neurology lab looking at functioning neurons with an advanced microscope. You notice that there is a lack of signaling between a particular set of neurons.
Which of the following best describes why these particular neurons may not be functioning properly?
Choose 1 answer:
(Choice A) The neurons' cell bodies are producing neural impulses that are too strong.
(Choice B) The neurons' cell bodies are producing neural impulses that are too weak
(Choice C) The neural impulses are not properly traveling through the axons and cannot be transmitted from one neuron to another.
(Choice D) The neurons are receiving signals that cause resting potential changes, producing an electrical impulse called an action potential.
The neuronal impulses are not adequately passing through the axons and cannot be passed from one neuron to another, as stated in Option C.
What occurs if neurons don't work properly?Because they are brittle, neurons are susceptible to tearing, cutting, and pressure. A damaged neuron can stop impulses from entering and exiting the brain, affecting muscle control or causing numbness in the affected area. Peripheral nerves, the spinal cord, and the brain can all be affected by nerve injury.
Why might this neuron not operate properly?It would be impossible for this neuron to receive impulses. The signal could not be recharged by this neuron. It would be impossible for this neuron to combine data from several synapses.
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Answer:
choice c
Explanation:
The neuronal impulses are not adequately passing through the axons and cannot be passed from one neuron to another
in mice, brown fur is dominant to white fur. a heterozygous brown mouse is mated to a white mouse. they produce 43 brown offspring and 47 white offspring. what is your null hypothesis? are the observed numbers of offspring significantly different from the expected numbers? why or why not? show your work.
The null hypothesis states that there is no significant difference between the observed and expected numbers of brown and white offspring, which are equal to 50% brown and 50% white.
A chi-squared goodness-of-fit test can be used to verify or refute this claim. The following is how the chi-squared statistic is calculated:
χ2 = Σ [(observed - expected)^2 / expected]
When a phenotypic is observed as the number of children that are either brown or white, expected is the number of offspring that are predicted to have that phenotype based on the null hypothesis (i.e., 50% brown, 50% white), and the sum is calculated across all phenotypes (brown and white).
χ2 = [(43 - 50)^2 / 50] + [(47 - 50)^2 / 50]
χ2 = (7^2 / 50) + (3^2 / 50)
χ2 = 49 / 50 + 9 / 50
χ2 = 58 / 50
There are two phenotypes in this test, but only one degree of freedom is lost by estimating how much of each trait is present. Therefore, the degrees of freedom for this test are 1.
A crucial value from a chi-squared distribution table with one degree of freedom and a significance level () of 0.05 can then be used to compare the derived 2 statistic to. If the estimated 2 value is higher than the crucial value, we reject the null hypothesis and come to the conclusion that the observed and predicted numbers of offspring differ significantly.
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which hormone is released from the sertoli cells that inhibits the release of follicle stimulating hormone
The hormone released from Sertoli cells that inhibits the release of follicle stimulating hormone is called inhibin, which is a peptide hormone that is produced by the Sertoli cells in the male testes and by the granulosa cells in the female ovaries.
What is a hormone?A hormone is a molecule that the body's specialized cells known as endocrine glands create. The body releases hormones into the bloodstream, which then carries them to different organs and tissues all over the body. Once there, they attach to specific receptors on target cells to trigger a physiological reaction.
Hormones are essential for controlling a variety of physiological functions, including mood, behavior, growth and development, metabolism, and reproduction. In order to keep the body's internal equilibrium, or homeostasis, they collaborate in intricate feedback loops.
Inhibin reduces the production and release of gonadotropin-releasing hormone (GnRH) in the hypothalamus and blocks the anterior pituitary gland's ability to secrete FSH directly.
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what is the unit used to measure how much municipal solid waste is generated
restriction-digested dna from two organisms is analyzed by southern blotting. restriction fragments of 2.0 and 3.5 kb are observed on the southern blot of one organism, and bands of 2.0 and 3.0 kb are observed for the other. what are the genotypes of these organisms?
The restriction-digested DNA from two organisms is analyzed by Southern blotting; restriction fragments of 2.0 and 3.5 kb are observed.
On the Southern blot of one organism the genotypes of these organisms are that they are heterozygous for a restriction site.
Southern blotting is a molecular biology technique used to identify specific DNA sequences in a sample. It was developed by the British biochemist Edwin Southern in 1975.
The method combines transfer of electrophoresis-separated DNA fragments to a filter membrane and subsequent fragment detection by probe hybridization.
The Southern blot technique includes four steps.
1. Restriction digestion: The first step is to digest the DNA sample with a restriction enzyme that cuts the DNA at specific sequence locations. The digestion creates DNA fragments of different lengths.
2. Gel electrophoresis: After restriction digestion, the DNA fragments are separated by size via electrophoresis, which separates the DNA fragments on the basis of their charge, size, and shape.
3. DNA transfer: The separated DNA fragments are transferred from the electrophoresis gel onto a nitrocellulose or nylon membrane, which is a process called blotting.
4. Hybridization: The membrane with the transferred DNA fragments is probed with a labeled DNA probe that is complementary to the target sequence. The hybridization process forms a stable bond between the labeled probe and the target DNA sequence.
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Edwin Hubble found out that what appeared to be large clouds
in space were not gas, but _
A: galaxies
B: the Oort cloud
C: comets
D: large stars
Answer: I believe they were the Oort Cloud
Explanation:
this idea is similar to nebulas and similar space features.
Edwin Hubble found out that what appeared to be large clouds in space were not gas, but GALAXIES (Option A).
Edwin Hubble was an American astronomer who demonstrated that objects previously believed to be clouds of gas (previously known as 'nebulae') were galaxies.A galaxy can be defined as a system of stars held together by gravitational forces.The Milky Way is the galaxy that includes our Solar System.According to their organization, galaxies can be classified as spiral, elliptical, peculiar, and irregular.In conclusion, Edwin Hubble found out that what appeared to be large clouds in space were not gas, but GALAXIES (Option A is correct).
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all vertebrate forelimbs are the same in that they are used for the same form of locomotion.
No, all vertebrate forelimbs are not the same and are not used for the same form of locomotion.
Vertebrate forelimbs exhibit a remarkable diversity in structure and function across different species. While they share a common basic blueprint, their adaptations and uses vary greatly depending on the specific needs and environments of different animals. Forelimbs can be specialized for various forms of locomotion such as walking, running, swimming, flying, or climbing, among others.
For instance, the forelimbs of terrestrial mammals like humans, dogs, and horses are primarily designed for support, balance, and manipulation. They consist of bones, muscles, and joints that facilitate a wide range of movements, enabling these animals to walk, run, and manipulate objects with dexterity.
On the other hand, the forelimbs of birds are highly modified for flight. They feature long, lightweight bones, fused joints, and feathers that provide lift, stability, and maneuverability during aerial locomotion. Birds also use their forelimbs for perching, climbing, and swimming, depending on the species.
In contrast, aquatic mammals like dolphins, whales, and seals have forelimbs that have evolved into flippers. These streamlined appendages allow them to navigate through water efficiently, utilizing a combination of up-and-down and side-to-side motions for propulsion.
Similarly, the forelimbs of reptiles, such as lizards and snakes, are adapted for different modes of locomotion. Lizards use their forelimbs for walking, climbing, and digging, while snakes have modified their forelimbs into vestigial structures or lost them altogether, relying on their highly efficient serpentine movement.
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What’s the formula for a block of wood that has a density of 0.6 g/cm^3 and a volume of 1.2 cm^3
Answer:
0.72kg
Explanation:
i think the question is asking of the mass of the block of wood
we are given a density of 0.6g/cm³ and a volume of 1.2cm³. To calculate this question we have to identify the formula which is:
Density=mass/volume
lets make mass the subject of the formula by cross multiplying
Mass=Density × volume
Mass= 0.6× 1.2
Mass=0.72Kg
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make a claim about how the metabolic rates of endotherms compare with those of ectotherms of similar mass. support ur claim with at least three pairs of data points from the graph
Endotherms have higher metabolic rates compared to ectotherms.
Endotherms include organisms that can regulate their own temperature. Some examples are:
RabbitsDogsKangaroosChimpanzeesOn the other hand, ectotherms depend on sunlight or heated surfaces to regulate their temperature. Some examples are:
PythonsCodCrocodilesLizardsIn general, endotherms have higher metabolic rates. Let's see some examples:
The Gila monster and the partridge both weigh about 800 grams but the partridge (endotherm) has a metabolic rate of 3 joules/s, while the Gile monster (ectotherm) has a metabolic rate of 0.2 joules/s.The python and the raven both weigh about 2000 grams, but the raven (endotherm) has a metabolic rate of 8 joules/s, while the python (ectotherm) has a metabolic rate of 0.2 joules/s.The rabbit and the sandbar shark both weigh about 6000 grams, but the rabbit (endotherm) has a metabolic rate of 8 joules/s, while the sandbar shark has a metabolic rate of 1.5 joulse/s.Learn more about endotherms in: https://brainly.com/question/1092272
Based on this picture:
A. How many chromosomes should be in a normal gamete?
B. What would be different about a child made from the fusion of a normal egg with a sperm like
the 3rd daughter cell pictured?
C. What would be different about a child made from the fusion of a normal egg with a sperm like the 44 daughter cell pictured?
Please help!!!!!
A typical gamete, sometimes referred to as a sex cell, should have half as many chromosomes as a typical body cell. The third daughter cell visible in the photograph appears to have an extra chromosome, making the total number of chromosomes there 47 rather than the typical 46.
How many chromosomes should a typical gamete contain?In humans, gametes are haploid cells with 23 chromosomes—one of each chromosomal pair found in diplod cells—and are hence haploid. The haploid number, commonly known as n, is used to indicate the number of chromosomes in a single pair.
When compared to the cells of the offspring, how many chromosomes are present in gametes?Gametes are haploid because they have half as many DNA bases as from the initial diploid germ cell's chromosomes. In other words, the secondary gametes only have one set (23), whereas the germ cell had two sets (46) of chromosomes.
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The reactants for cellular respiration area. glucose and ATP.b. water and ATP.c. oxygen and ATP.d. glucose and oxygen.e. carbon dioxide and glucose.
Cellular respiration is a very important process for organisms because it is from it that part of the energy necessary for survival is generated.
In respiration, we consume oxygen and glucose and form carbon dioxide, energy, and water as products.
Therefore, we can say that the reactants of cellular respiration are oxygen and glucose. Therefore, option "D" is the answer.
What examples show repair or replacement of damaged cells.
The examples provided, a, b, and c, all demonstrate different mechanisms of repair or replacement of damaged cells in the body.
a. A scrape being healed: When you experience a scrape or a minor injury, the body initiates a healing process. Specialized cells called platelets form a clot to stop bleeding, and immune cells migrate to the site of injury to clean it up and prevent infection. Fibroblasts then produce collagen, a protein that forms the framework for new tissue growth. New blood vessels, called capillaries, form to bring oxygen and nutrients to the healing area.
Over time, new skin cells, or epithelial cells, multiply and migrate to cover the wound, eventually closing it completely. This process is known as epithelialization and is an example of cell replacement.
b. Scars forming where a cut once belonged: In some cases, when the injury is deeper or more severe, the body's repair mechanism involves the formation of scar tissue. Scar tissue is composed of collagen fibers that help bridge the gap left by the injury.
While scar tissue is not identical to the original tissue, it provides a functional substitute, helping to restore the structural integrity of the damaged area. Scarring occurs when the body's healing response goes beyond the normal repair process and produces excess collagen.
c. Skin flaking off your arm in the winter: The shedding or flaking of skin is a natural process called desquamation. It involves the removal of dead skin cells from the outermost layer of the epidermis. Skin cells have a lifespan and constantly undergo a cycle of renewal.
New skin cells are generated at the bottom layer of the epidermis and gradually move upward as they mature. As they reach the surface, they become flattened, lose their nuclei, and eventually slough off. This shedding helps to remove old and damaged cells and allows for the replacement of fresh, healthy cells.
In summary, a scrape being healed involves the replacement of damaged cells through a series of processes, while scars forming indicate the formation of collagen-rich tissue to repair deeper injuries. Skin flaking off represents the natural shedding of dead skin cells and the continuous renewal of the epidermis.
These examples illustrate different ways in which the body repairs or replaces damaged cells to maintain its overall health and functionality.
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The Question was Incomplete, Find the full content below :
Which examples show repair or replacement of damaged cells? a. A scrape being healed. b. Scars forming where a cut once belonged. c. Skin flaking off your arm in the winter.
Why do the winds appear curved above the surface of the Earth?
Answer:
Because the Earth rotates on its axis, circulating air is deflected toward the right in the Northern Hemisphere and toward the left in the Southern Hemisphere. This deflection is called the Coriolis effect. Click the image for a larger view.
Explanation:
What causes hydrogen bonding between water molecules?
Answer:
I believe it's the valence electrons.
Explanation:
Hope this helps!