Most organisms take in nitrogen from the air or water and use it to carry out their life processes
Answers
Answer: The answer to replace nitrogen with is oxygen. Therefore, if this was a true or false question, which it may be, the answer would be false.
Related Questions
Sexual reproduction in animals depends on the production of gametes.
Which of these processes produces gametes in animals? *
Mitosis
Fertilization
O Meiosis
Binary fission
Answers
The process that produces gametes in animals is meiosis.
What is MeiosisMeiosis is a specialized type of cell division that occurs in the reproductive cells, or germ cells, of animals. It involves two rounds of cell division, resulting in the production of four haploid daughter cells, each with half the number of chromosomes as the parent cell.
During meiosis, the genetic material is shuffled and recombined through processes such as crossing over and independent assortment. This genetic variation contributes to the diversity of offspring produced through sexual reproduction.
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Type your response in the box.
Nutrition is a common topic in the media, whether it's a new diet plan or a new "superfood" on the market to benefit
our health. Some of these products are scientifically sound, while others aren't. How do we tell the difference?
PLEASE HURRY
Answers
Answer:
To find out whether a product is scientifically sound, check the FDA standards for the product. Another option is to ask a medical expert, such as a doctor or a nutrition scientist, whether the product is scientifically sound.
whats a term for ecology that starts with the letter Y
Answers
Answer:
yellow rain
Explanation:
source Wikipedia
Answer:
yellow rain
Explanation:Don't let anyone bring you down you got this you matter, and rock!
plz help will mark brainliest if correct! If the sum of all chemical reactions taking place in an ecosystem results in an overall change in free energy of −9732 kJ, which of the following best describes the impact this will have on the ecosystem?
The amount of energy available to do work will increase.
The ecosystem will move away from equilibrium.
The energy given off as heat to the surroundings will decrease.
The entropy of the ecosystem will increase.
Answers
Answer:
I think the entropy of the ecosystem will increase.
PLEASE HELP ASAP!!!
If a strategic mineral, such as uranium, is becoming depleted in the United States, where we look acquire this
mineral?
Answers
Answer:
China, Russia, Kazakhastan, Mexico, Nimibia, Greenland, South Africa, Canada, Australia
why do cheek cells stain pink
Answers
Cheek cells stain pink due to the presence of a specific dye called eosin. This dye binds to the proteins in the cytoplasm of the cheek cells, causing them to appear pink under a microscope.
1. A small sample of cheek cells is obtained by gently scraping the inside of the cheek with a clean toothpick or swab.
2. The sample is placed on a microscope slide and allowed to dry.
3. A drop of eosin dye is added to the slide and allowed to sit for a few minutes.
4. The excess dye is rinsed off with water, and the slide is allowed to dry again.
5. The slide is placed under a microscope and the cheek cells are observed.
Under the microscope, the cheek cells will appear pink due to the eosin dye binding to the proteins in the cytoplasm. This staining technique allows for the visualization of the cells and their structures, aiding in the study of cell biology.
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Which event does not occur when the normal GFR is decreased?
A.dilation of efferent arterioles B.contraction of mesangial cells C.dilation of afferent arterioles D.constriction of efferent arterioles
Answers
Answer:
Explanation:
b
A
contains all the DNA sequences of all the genes
of an organism.
Answers
Answer:
genome
Explanation:
A genome is the complete set of genetic information in an organism. It provides all of the information the organism requires to function. In living organisms, the genome is stored in long molecules of DNA called chromosomes
nature
In a pedigree, an affected male would be designated by:.
Answers
Answer:
a shaded square
Explanation:
trust me bro
In a pedigree, an affected male would be designated by a shaded square. The correct answer is option 3.
A pedigree is a diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors from one generation to the next.
In a pedigree, an affected male would be designated by a shaded square. This is because squares represent males in a pedigree, and shading indicates that the individual is affected by the trait being studied. In contrast, an open square would represent an unaffected male. Similarly, a shaded circle would represent an affected female, while an open circle would represent an unaffected female.
Therefore, a pedigree would show a shaded square for an affected man. Option 3 is the right answer.
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The given question is incomplete. The complete question is:
In a pedigree, an affected male would be designated by Multiple Choice
1.an open square.
2.an open circle.
3.a shaded square
4.a square with a line through it.
5.a shaded circle
PLEASE HELP ITS DUE SOON!!! Explain why it is not possible to predict the sex of one individual offspring
Answers
the systems involved in water content regulation are ________.
Answers
Answer:
kidneys, hypothalamus, and endocrine glands.
Explanation:
I don't think theres anything to explain rlly hope this is correct tho
When the lens becomes more spherical, the focal point moves {{c1::closer to the lens}}
Answers
The shape of a lens determines the way it refracts light. When a lens becomes more spherical, the curvature of the lens increases. This causes the light passing through the lens to bend more sharply, resulting in a change in the focal point.
Specifically, when a lens becomes more spherical, the focal point moves closer to the lens. This means that the point at which the light passing through the lens converges and forms a clear image moves closer to the surface of the lens. This can have implications for the performance of the lens in optical systems, as changes in the shape of the lens can affect the clarity and sharpness of the image that is formed.
When the lens becomes more spherical, the curvature of the lens increases. This results in a higher degree of light bending as it passes through the lens.
As the lens becomes more spherical, its refractive power increases due to the increased curvature. Consequently, the light converging within the lens focuses at a point that is closer to the lens. This shift in the focal point allows for the correction of certain vision issues, such as nearsightedness.
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Why does water form a spherical shape on wax paper, instead of spreading out flat? Heat capacity makes water molecules release energy. Heat capacity makes water molecules absorb energy. Surface tension makes water molecules sticky. Surface tension attracts water molecules inward.
Answers
Answer:
Surface tension attracts water molecules inward.
Explanation:
Synaptic communication between two neurons usually occurs via a. electrical signaling b molecular transduction c. chemical messengers d direct contadct
Answers
Chemical mediators is the right response (c). Neurotransmitters, which are chemical messengers, are released into the synaptic cleft during synaptic contact between two neurons.
These neurotransmitters then attach to receptors on the postsynaptic neuron, which may cause the postsynaptic neuron to produce an electrical signal. This process is essential for many fundamental physiological functions, such as movement, perception, and cognition, as well as for information transfer between neurons in the nervous system. Direct interaction between neurons and electrical signalling are both possible, but chemical signalling via neurotransmitters is more frequent. A chemical signal, like a neurotransmitter, is converted into a cellular reaction through a process known as molecular transduction.
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Which of the following is a true statement about body size and physiology? Small and large animals face different physiological challenges because an animals body mass increases cubically while its surface area increases as squared (unction; The amount of food and oxygen an animal requires and the amount of heat and waste it produces are proportional to mass: The wastes produced by an animal double as its volume doubles and triple as its surface area triples: The rate at which an animal uses nutrients and produces waste products is independent of its volume
Answers
The following is a true statement about body size and physiology: Small and large animals face different physiological challenges because an animal's body mass increases cubically while its surface area increases as squared. (option 1)
Physics rules dictate that an animal's physiology is influenced by its size. An animal's need for food and oxygen, as well as its production of heat and waste, are all proportional to its mass. The squanders created by a creature serve as its volume copies and triple as its surface region significantly increases. Little and enormous creatures face different physiological difficulties on the grounds that a creature's weight increments cubically while its surface region increments as squared. ( Choice 1) This implies that more modest creatures are better prepared for the diffusion of oxygen and supplements from their environmental factors since they have a bigger surface region comparative with their weight. Consequently, larger animals require more energy and nutrients to meet their metabolic needs and produce more waste products that must be effectively eliminated.
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what is a system? mention a name of any one system of human body.
Answers
Answer:
no work is done when a person is standing by a load of 50 kg for one hour why?
what evidence is there that climatic cooling caused the late
devonian mass extinction? what may have caused the late devonian
climatic cooling
Answers
The Late Devonian mass extinction is thought to have been caused by a combination of factors including a period of cooling climate known as the Late Devonian cooling event.
This cooling event has been identified in the fossil record by an increase in abundance of glacial deposits and a decrease in the abundance of tropical fossils.
Evidence of this cooling event can also be found in the geochemical record, which shows a decrease in the amount of carbon dioxide in the atmosphere. This decrease in atmospheric carbon dioxide is thought to have been a result of a decrease in photosynthesis due to the cooling temperatures.
The exact cause of this climatic cooling event is still unknown, but potential causes include a decrease in solar activity, volcanic activity, and changes in ocean circulation. Ultimately, the Late Devonian cooling event may have been the primary trigger for the Late Devonian mass extinction.
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The body's attempt to restore homeostasis in the aftermath of a stress response is a(n) ________ response. Group of answer choices sympathetic fight-or-flight biological adaptive
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The body's attempt to restore homeostasis in the aftermath of a stress response is an adaptive response.
What is homeostasis?Homeostasis is the ability of a living organism to maintain a constant internal environment through adjusting to conditions that are best for it's survival.
Typical examples of homeostasis are:
thermoregulation, blood glucose regulation, baroreflex in blood pressure, calcium homeostasis, potassium homeostasis, and osmoregulation.The ability of an organism to better resist stress damage by prior exposure to a lesser amount of stress is known as adaptive response.
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Fit to page ID Page view After viewing the videos, complete this activity. When complete, save, and attach your name. Submit completed pages: 4, 5, & 6. Osmosis lab. List three different structures that are present in plant cells, but not in animal cells. Explain which two plant cell structures can be readily seen in the video and images. Label the image of a cell membrane. See chapter 5 Biology in Focus.' D. F. Jabel the structures of the cell membrane (8, C, D, Fjand areas next to the cell membrane (A, E). B m BIO 101 Lab 05: Osmosis and Diffusion O IN Mule 2. Hards- BIO 101 Lab 05 X * Course Hero ?_chid02c083fc *? chid02e083c- C Get OneDrive/Pictures/Camera%20R/BIO%20101%20Labs.2005,%20Osmosis%20and%20Diffusion.jpeg pdf Fit to page I Page view А0 upload the completed document as a DOC OR PDF Tile in carwas. Elodea Elodea leaves were placed into: 0.9% NaCl, and 10% NaCl, and into distilled water. View the three mares of Elodea leaf cells. Give the tonicity for each image Flaccid Plasmolyzed MA ust the tonicity of solution List the tonicity of solution List the tonicity of solution Below, name the shape of leaf cells for an unknown sample and name the tonicity of the solution Unknown Give the shape leaf cells 1 List the tonicity of solution Describe your observations which lead to your conclusion about the tonicity of unknown solution in which the lodes leaf cells were placed O п fo E + Fit to page I Page view Red blood cells placed into in 0.9% NaCl and 10% NaCl and in distilled water. View the three Images of red blood cells. Give the tonicity for each image Hemolyzed Spherical Crenated List the tonicity of solution List the tonicity of solution List the tonicity of solution Below, name the shape of red blood cells for an unknown sample and name the tonicity of the solution Unknown Name the shape of red blood cells I ust the tonicity of solution Describe your observations which lead to your conclusion about the tonicity of unknown solution in which the red blood cells were placed. Conclusions Write a conclusion about the effect variating tonicity has on the two cell types. Describe the differences you observed comparing plant cells and animal cells placed into the three solutions ORA
Answers
Three different structures present in plant cells but not in animal cells are:
Cell Wall: Plant cells have a rigid cell wall composed of cellulose outside the cell membrane, which provides support and protection.
Chloroplasts: Plant cells contain chloroplasts, which are responsible for photosynthesis, the process by which plants convert sunlight into energy.
Large Central Vacuole: Plant cells typically have a large central vacuole that stores water, nutrients, and waste products. Animal cells have smaller and more numerous vacuoles or none at all.
However, in general, plant cell structures that can be readily observed in videos and images include the cell wall and chloroplasts, which often appear green due to the presence of chlorophyll.
However, the cell membrane is typically represented by a double layer of phospholipids with embedded proteins.
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Refer to the illustration below. The photosynthetic algae are:
Please anybody!
Answers
Answer:
Producers
Explanation:
Photosynthetic organisms are producers.
Use the image below to explain protein synthesis and the steps of transcription and translation. Hint: Use the numbers 3-11 to guide your explanation.
Answers
Answer:
Protein synthesis is the process in which cells make proteins.It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus. After a polypeptide chain is synthesized, it may undergo additional processing to form the finished protein.
Explanation:
I hope this helps.
how a plant and an animal’s ability to perform cellular respiration is impacted by the wildfires in California
Answers
In California, sheep and goat are now being used to help fight wildfires by eating dry brush.
In California wildfires are very common, how do wildfires affect the carbon cycle?Deploying goats to clear land of vegetation is an age-old tradition, but as wildfires become more severe throughout the world, areas as different as Greece, Australia, and other parts of the United States, such as Arizona and Colorado, are embracing herbivores as key weapons for wildfire prevention.This has resulted in an increase in property owners engaging sheep and goat grazing firms to aid with fire suppression. To keep flames at bay, the animals gorge themselves on dry brush.As Californians deal with the constant threat of wildfires in the midst of a record-breaking drought, some are turning to a seemingly easy and ecological solution: sheep and goats. The animals can readily reach areas that humans cannot, and their hooves produce little divots in the earth, organically tilling the soil.Wildfire are defined as an uncontrolled or unplanned fire in an area.Wildfires are common in California because of combustible vegetation and that affects the carbon cycle.When vegetation burns during wildfire it releases a lot of carbon dioxide. Higher carbon-dioxide increases the rate of photosynthesis in plants. Plants utilize the higher CO2 concentration at a faster rate and more carbon dioxide will be removed from the atmosphere.To learn more about wildfires refer to:
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what difference is felt if we stand up with one foot than that with two feet ?
Answers
Answer:
You need to balance on one foot
Explanation:
Depolarization of the sarcolemma transmits myosin and actin filaments. and select answer link Which of the following types of skeletal muscle fibers is specialized for endurance? Fast-glycolytic fibers Slow-oxidative fibers Fast-oxidative fibers
Answers
The depolarization of the sarcolemma transmits the signal for contraction of the myosin and actin filaments.
In terms of skeletal muscle fiber types, slow-oxidative fibers are specialized for endurance as they have a high capacity for aerobic metabolism and can sustain contractions for extended periods of time without fatigue. Fast-glycolytic fibers, on the other hand, are specialized for short bursts of intense activity and fatigue quickly, while fast-oxidative fibers have characteristics of both slow-oxidative and fast-glycolytic fibers.
The answer is Slow-oxidative fibers. These fibers are specialized for endurance because they primarily use aerobic metabolism, which allows them to generate energy for a longer period. They also have a high amount of myoglobin, mitochondria, and blood capillaries, further supporting their endurance capabilities.
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what creature is seemingly able to be in multiple places at once to fool its prey?
Answers
For prey that has been tricked, the mimic may be especially important. One example is spiders, which frequently use aggressive mimicry to both attract food and mask sneakily approaching predators.
What is an illustration of Mullerian imitation?According to these research, the monarch and viceroy butterflies—long regarded as classic examples of Batesian mimicry—actually exhibit Mullerian mimicry. Mullerian mimicry occurs when two species co-mimic one another and share comparable anti-predator traits, in this case inedibility.
What animal renders its prey helpless?Although the venom from a platypus cannot completely paralyse a human, it can paralyse tiny animals, such as a male rival, and an attack can be surprisingly unpleasant and incapacitating.
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Aerobic requires
A) oxygen and glucose
B)glucose and carbon dioxide
C) carbon dioxide and water
D) oxygen and ATP
Answers
Which of the following immune responses occurs when a cytotoxic T cell is activated?
Cytotoxic T cells release antigen that inform other white blood cells to fight the pathogen causing the infection.
Cytotoxic T cells release histamine molecules that signal the blood vessels to dilate.
Cytotoxic T cells release antibodies that neutralize antigens of pathogens.
Cytotoxic T cells release proteins that trigger infected cells to undergo apoptosis and/or cytolysis.
Answers
When a cytotoxic T cell is activated, they release proteins that trigger infected cells to undergo apoptosis and/or cytolysis. The given statement is the correct option.
Therefore, the correct option is: Cytotoxic T cells release proteins that trigger infected cells to undergo apoptosis and/or cytolysis.An immune response is a reaction that occurs in the human body against foreign substances and infectious agents such as bacteria, viruses, and fungi.
There are two types of immune responses: innate and adaptive. Adaptive immune responses occur when an immune cell recognizes a specific antigen. Adaptive immunity consists of humoral immunity and cell-mediated immunity. The latter is a type of immune response mediated by T cells. T cells come in two major types, namely helper T cells and cytotoxic T cells.Cytotoxic T cells are specialized white blood cells that eliminate infected or cancerous cells in the human body.
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Which does the shift of the hydrogen absorption spectrum of a galaxy provide evidence for? Select the three correct answers.
A. The Big Bang theory
B. temperature of the galaxy
C. motion of the galaxy
D. composition of the universe
E. expansion of the universe
F. number of stars in the galaxy
None sense will be blocked
Answers
Answer: b c d
Explanation:
Hkk
The shifts of the hydrogen absorption spectrum of a galaxy provide evidence for :
B. Temperature of the galaxy
C. Motion of the galaxy
D. Composition of the universe
The shifts of the hydrogen absorption spectrum of a galaxy provide evidence for the temperature of the galaxy ,the motion of the galaxy and composition of the universe.Thus, the three correct answers are B, C and D.
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how can changes in experimental conditions affect enzyme-mediated reactions?
Answers
Changes in experimental conditions can have a significant impact on enzyme-mediated reactions. Enzymes are biological catalysts that facilitate chemical reactions in living organisms. Here are some ways in which changes in experimental conditions can affect enzyme-mediated reactions:
TemperaturepHSubstrate ConcentrationEnzyme ConcentrationInhibitors and ActivatorsCo-factors and CoenzymesTemperature: Enzyme activity is affected by temperature. Increasing the temperature generally enhances the reaction rate by providing more energy for the enzyme-substrate interaction. However, excessively high temperatures can denature the enzyme, leading to a loss of activity. Lower temperatures may slow down the reaction rate.
pH: Enzymes have an optimal pH at which they exhibit maximum activity. Deviating from this optimal pH can affect the enzyme's structure and disrupt its ability to bind to the substrate. Changes in pH can lead to altered ionization states of amino acid residues in the enzyme's active site, affecting enzyme-substrate interactions.
Substrate Concentration: The concentration of the substrate can influence the rate of an enzyme-catalyzed reaction. As substrate concentration increases, the rate of the reaction typically increases until the enzyme's active sites become saturated. At this point, further increases in substrate concentration will not significantly increase the reaction rate.
Enzyme Concentration: The concentration of the enzyme itself can affect the reaction rate. Higher enzyme concentrations generally lead to faster reaction rates, assuming other factors are not limiting. More enzyme molecules mean a greater chance of collisions with the substrate.
Inhibitors and Activators: Various substances can inhibit or activate enzyme activity. Competitive inhibitors compete with the substrate for binding to the enzyme's active site, thereby reducing the reaction rate. Non-competitive inhibitors bind to the enzyme at a site other than the active site, causing conformational changes that reduce catalytic activity. Activators, on the other hand, enhance enzyme activity.
Co-factors and Coenzymes: Enzymes may require specific co-factors or coenzymes to function properly. Changes in the availability or concentration of these cofactors or coenzymes can impact the enzyme's activity. For example, some enzymes require metal ions or vitamins as co-factors for catalytic activity.
It's important to note that the specific effects of changes in experimental conditions on enzyme-mediated reactions can vary depending on the particular enzyme and reaction being studied. Experimental optimization is often necessary to determine the ideal conditions for maximizing enzyme activity and reaction efficiency.
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at what age does an infant typically first exhibit separation anxiety?
Answers
Separation anxiety is a developmental stage experienced by many infants and young children. Separation anxiety can begin around six months and usually peaks around 18 months, and then declines with age. Separation anxiety in infants is when the baby is distressed when separated from his/her primary caregiver.
The baby might scream, cry, or cling to the parent when they try to leave the room. It can begin around six months of age and typically peaks around 18 months, and then declines with age. Separation anxiety is a typical part of infant development and is generally considered a normal stage of development. Infants at this age may feel fear and panic when separated from their primary caregivers.
They may cry, become fussy, or refuse to eat or sleep. Separation anxiety is a normal part of development, and it typically fades away with age. Separation anxiety is a normal part of development, and it usually starts around six months of age and peaks at 18 months. It's perfectly typical and is a signal that the child is developing healthy bonds with their primary caregivers.
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