Answer:
mitosis
Explanation:
The zygote undergoes a process known as mitosis, in which it replicates its chromosomes (which carry each parent's DNA) and then divides, resulting in two identical cells. These cells are called totipotent and have the ability to develop into a new organism
What is the economic importance of Taenia sp?
Answer:
Taenia saginata and Taenia solium are the two taeniids of greatest economic and medical importance, causing bovine and porcine cysticercosis and taeniasis in humans. In addition, T. solium eggs can infect humans, often giving rise to fatal neurocysticercosis (12, 39).
Explanation:
What is necessary for social fulfillment in the three pillars of sustainability?
Social fulfillment in the three pillars of sustainability requires equity, justice, and the satisfaction of human needs.
In the context of sustainability, social fulfillment encompasses ensuring equity, justice, and meeting the basic needs of individuals and communities. The three pillars of sustainability—environmental, economic, and social—are interconnected and rely on each other for long-term success.
Social fulfillment is necessary to achieve a sustainable society. It involves promoting social equity, ensuring fair distribution of resources and opportunities, and addressing social challenges such as poverty, inequality, and discrimination. It also requires safeguarding human rights, providing access to education, healthcare, and social services, and fostering inclusive and participatory decision-making processes.Within the three pillars of sustainability, social fulfillment is crucial because it recognizes that sustainable development cannot be achieved without considering the well-being and quality of life of individuals and communities.It emphasizes the importance of balancing economic growth and environmental protection with social progress to create a more equitable and just society for present and future generations.
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Does anyone understand this???
Listed in the Item Bank are key terms and expressions, each of which is associated with one of the columns. Drag and drop each item into the correct column. Order does not matter.
(Picture Posted)
According to the question the Sexual Reproduction: Horse egg and sperm unite.
What is Reproduction?Reproduction is the biological process by which organisms produce new individuals of their own kind. In most cases, it involves the fusion of two specialized reproductive cells, the female egg and the male sperm, to form a new and unique organism. Reproduction is a fundamental characteristic of all known life forms and is the process by which living things propagate their species. Asexual reproduction, which is reproduction without the fusion of gametes, is also common in some species, such as bacteria and plants. Reproduction is essential for the continuation of life on earth and is the foundation of the human population.
Asexual Reproduction: Bacteria divide by fission, A mushroom releases spores, A yeast cell develops a "bud", A pine tree releases pollen that gets trapped in a seed cone, Strawberry plant with runners.
Bacteria swap DNA during conjugation: Bacteria swap DNA during conjugation.
Gametes from protozoans fuse: Gametes from protozoans fuse.
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Where are the A, B and RH antigens located
Answer: The A, B, and Rh antigens are located on the surface of red blood cells.
Explanation:
Give the element symbol of the element found in period 4, group 2.
fill the attachment
1) A deficiency disease is caused by the absence of a food nutrient
2) Deficiency of vitamin D causes rickets
3) Deficiency of vitamin C can lead to a condition called scurvy.
4) Deficiency of iron leads to anemia
What are food nutrients?Carbohydrates has glucose as the small molecules and they give energy to the body. It can be gotten from rice.
Proteins have amino acids as the building blocks and they help to repair the worn out tissues. They can be found in legumes.
Fats are composed of fatty acids and they help in the insulation of the body. It can be obtained from margarine.
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How accurate do you think the model of Bohr Model of the Atom of Oxygen is?
The Bohr Model of the Atom is a useful model for understanding the behavior of atoms, but it has limitations in accurately describing the behavior of real-world atoms.
What is the assumption of Bohr's model?The Bohr Model assumes that electrons orbit the nucleus in circular paths at specific energy levels, which is not entirely accurate. In reality, electrons move in a probabilistic cloud-like formation around the nucleus, and their exact position and energy can only be described in terms of probabilities.
Additionally, the Bohr Model does not account for the effects of electron-electron interactions, which become more significant as the number of electrons in an atom increases. Therefore, while the Bohr Model is still a valuable tool for explaining atomic behavior, it is not entirely accurate and should be used in conjunction with other models, such as the quantum mechanical model of the atom.
In the case of oxygen, the Bohr Model can provide a basic understanding of the number of electrons, their distribution in energy levels, and the overall behavior of the atom. However, to fully understand the properties and behavior of oxygen, one must take into account the complexities of the electron cloud and electron-electron interactions, which are better described by the quantum mechanical model.
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The Punnett square is used to
A determine the probability of offspring traits.
B determine the parent alleles of the offspring.
C determine the location of mutated genes.
D determine the makeup of chromosomes.
Which statement best explains the process of subduction? (1 point) O Magma rises through the cracks in a solid rock plate. O An oceanic plate covers a continental plate. O A denser plate pushes down under a lighter plate. O One plates slides past another plate horizontally.
The correct answer choice from the above statement best explains the process of subduction is:
An oceanic plate covers a continental plate
Option a is the correct answer choice
What is subduction?Subduction can simply be defined as a kind of geological process or recycling which occurs at a convergent tectonic plate boundaries or where two tectonic plates come crashing together.
So therefore, the correct answer choice from the above statement best explains the process of subduction is:
An oceanic plate covers a continental plate
Option a is the correct answer
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A denser plate pushes down under a lighter plate.
6. What is the role of chlorophyll and other pigments during photosynthesis?
O a. To attach a phosphate to an ADP molecule to make ATP
O b. To use sunlight energy to break apart glucose molecules and release their energy
c. To carry hydrogen ions back and forth between a cell's mitochondria and chloroplasts
O d. To capture photons and send high-energy electrons to the electron transport chain
7. Which of the following correctly matches the organelle with its function in a eukaryotic cell?
a. Mitochondrion-production of proteins
O b. Chloroplast-controls passage of materials into and out of the cell
O c. Lysosomes-protects and maintains heredity material
O d. Endoplasmic reticulum-transports materials throughout the cell
8. Two scientists observe a plant growing without any water added to the soil. Doctor Allen offers the
hypothesis that this species of plant must derive water from the atmosphere. Doctor Bateman does not
agree, instead hypothesizing that plans must keep water in its roots so it can survive when droughts
occur. What does this situation demonstrate about the formation of scientific knowledge?
a. Whenever experts contradict each other, it points to a basic flaw in the theory.
b. Disagreement and conflict are a natural part of scientific research.
c. Experts should not publicize their findings until they are sure they are correct.
d. Whenever strange results are observed, it is best to create a theory before testing it.
Answer the answer is c mu guy
Which animal is found in a rainforest?
hyacinth macaw
panda
arctic fox
grizzly bear
Answer:
A the hyacinth macaw
Explanation:
took the test
Why is the third line of defense consider specific and adaptive
Answer:
The third line of defense is specific resistance. This system relies on antigens, which are specific substances found in foreign microbes. Most antigens are proteins that serve as the stimulus to produce an immune response. ... The activation of T-cells by a specific antigen is called cell-mediated immunity.
Hope this helps out
Explanation:
Please respond!!!
to the following prompt in a minimum of 5 complete and grammatically correct sentences, Your responses should be in your own words. You may use the internet for background information. Please cite your sources in order to receive full credit.
Describe three characteristics of the mammalian brain that differ from other vertebrates.
Answer:
this may help
"The presence of hair, composed of the protein keratin, is one of the most obvious characteristics of mammals. Although it is not very extensive or obvious on some species (such as whales), hair has many important functions for most mammals. Mammals are endothermic, and hair traps a boundary layer of air close to the body, retaining heat generated by metabolic activity. Along with insulation, hair can serve as a sensory mechanism via specialized hairs called vibrissae, better known as whiskers. Vibrissae attach to nerves that transmit information about tactile vibration produced by sound sensation, which is particularly useful to nocturnal or burrowing mammals. Hair can also provide protective coloration or be part of social signaling, such as when an animal’s hair stands “on end” to warn enemies, or possibly to make the mammal “look bigger” to predators.
Unlike the skin of birds, the integument (skin) of mammals, includes a number of different types of secretory glands. Sebaceous glands produce a lipid mixture called sebum that is secreted onto the hair and skin, providing water resistance and lubrication for hair. Sebaceous glands are located over most of the body. Eccrine glands produce sweat, or perspiration, which is mainly composed of water, but also contains metabolic waste products, and sometimes compounds with antibiotic activity. In most mammals, eccrine glands are limited to certain areas of the body, and some mammals do not possess them at all. However, in primates, especially humans, sweat glands are located over most of the body surface and figure prominently in regulating the body temperature through evaporative cooling. Apocrine glands, or scent glands, secrete substances that are used for chemical communication, such as in skunks. Mammary glands produce milk that is used to feed newborns. In both monotremes and eutherians, both males and females possess mammary glands, while in marsupials, mammary glands have been found only in some opossums. Mammary glands likely are modified sebaceous or eccrine glands, but their evolutionary origin is not entirely clear.
The skeletal system of mammals possesses many unique features. The lower jaw of mammals consists of only one bone, the dentary, and the jaw hinge connects the dentary to the squamosal (flat) part of the temporal bone in the skull. The jaws of other vertebrates are composed of several bones, including the quadrate bone at the back of the skull and the articular bone at the back of the jaw, with the jaw connected between the quadrate and articular bones. In the ear of other vertebrates, vibrations are transmitted to the inner ear by a single bone, the stapes. In mammals, the quadrate and articular bones have moved into the middle ear ((Figure)). The malleus is derived from the articular bone, whereas the incus originated from the quadrate bone. This arrangement of jaw and ear bones aids in distinguishing fossil mammals from fossils of other synapsids.
Mammals, like birds, possess a four-chambered heart; however, the hearts of birds and mammals are an example of convergent evolution, since mammals clearly arose independently from different groups of tetrapod ancestors. Mammals also have a specialized group of cardiac cells (fibers) located in the walls of their right atrium called the sinoatrial node, or pacemaker, which determines the rate at which the heart beats. Mammalian erythrocytes (red blood cells) do not have nuclei, whereas the erythrocytes of other vertebrates are nucleated. "
Explanation:
How and why does vomiting too often, for example for sufferers of bulimia, damage the digestive system? Why are the stomach’s gastric secretions harmful, but the oral secretions are not?
If a person vomits too often who sufferers of bulimia, it damages the digestive system enzymes that help in digestion are forced to be released from the stomach.
Thus, frequent vomiting in individuals with bulimia that can cause significant damage to the digestive system. When a person vomits, the stomach acid and enzymes that help in digestion are forced to be released from the stomach causing irritate and damage to the lining of the esophagus, throat, and mouth.
The gastric acid and enzymes of digestive system present in a stomach when they come in contact with the tissues of the esophagus and throat causes inflammation, erosion, and scarring of these tissues causing pain and an increased risk of infection.
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1. Angelman syndrome and Prader-Willi syndrome are used as examples of epigenetic inheritance.
a. Explain the symptoms and effects of each of these diseases.
Angelman syndrome is characterized by intellectual disability, severe speech impairment, ataxia, seizures, and a happy demeanor. Prader-Willi syndrome involves hypotonia, hyperphagia, obesity, intellectual disability, behavioral problems, and short stature.
Angelman syndrome and Prader-Willi syndrome are two distinct genetic disorders that are often discussed in the context of epigenetic inheritance. Both conditions result from abnormalities in a specific region of chromosome 15, but they have opposite effects due to differential genetic imprinting.
Angelman syndrome is characterized by developmental delays, severe intellectual disabilities, speech impairments, and motor coordination problems.
Individuals with Angelman syndrome often exhibit a happy and excitable demeanor, with frequent episodes of laughter and a fascination with water. They may also experience sleep disturbances, seizures, and a lack of speech development.
On the other hand, Prader-Willi syndrome manifests with distinct symptoms such as hypotonia (poor muscle tone) during infancy, hyperphagia (insatiable appetite) leading to obesity, developmental delays, learning difficulties, and behavioral challenges.
Individuals with Prader-Willi syndrome often have a compulsive need for food and struggle with weight management. They may also experience hormonal imbalances, growth hormone deficiency, and behavioral issues such as temper tantrums and obsessive-compulsive behaviors.
Epigenetic inheritance refers to the transmission of information from one generation to another that affects gene expression without altering the underlying DNA sequence.
In the case of Angelman and Prader-Willi syndromes, these conditions result from epigenetic changes, specifically imprinting, in the chromosomal region involved. Imprinting refers to the process by which certain genes are marked or silenced based on their parental origin.
In Angelman syndrome, the paternal copy of the UBE3A gene is deleted or silenced, leading to a lack of functional UBE3A protein in the brain. In Prader-Willi syndrome, the maternal copy of the same gene is affected. These imprinted genes play critical roles in brain development and function, leading to the distinct symptoms observed in each disorder.
It is important to note that while both Angelman and Prader-Willi syndromes are considered examples of epigenetic inheritance, the underlying mechanisms and specific epigenetic changes involved are complex and continue to be studied.
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which symptom would most likely occur in an organism exposed to tetrodotoxin?
How much food is required for a blob to reproduce from one generation to another?
Answer:
a blob to generate to another which is option A:1
hope this helps you
Conservationistis strive to preserve or improve biodiversity in ecosystems, which includes monitoring populations of organisms to detect changes. Name two challenges that scientists may encounter when they’re monitoring populations of organisms in the wild.
Answer:
Conservationists are responsible to preserve or improve the biodiversity in ecosystem. Many wildlife sanctuaries are made to protect the biodiversity. There are several ways by which conservationists accomplish their aim such as monitoring populations of organisms to detect changes and promoting importnce of wildlife.
Two main challenges conservationists will face while monitoring population of organisms in wild are:
weather conditions may not support the monitoring equipments or clothing.Wildlife animals are dangerous and can cause harm.Hence, conservationists face the above challenges while dealing with wild.
Answer:
One challenge is cost. To effectively monitor populations in the wild, scientists need special equipment such as cameras, computers, and GPS monitoring equipment. Another challenge is accuracy. It’s impossible to count every single organism in an ecosystem, so scientists often work with estimates.
Explanation:
The theory of endosymbiosis proposes that eukaryotes descended from a primitive combination of both archaea and bacteria. What evidence supports this theory?
Biochemists developed a compound that they hypothesize will disrupt the ability of the cells to organize centrioles and microtubules. This compound is applied to a group of onion root tip cells. What will serve as the best evidence that the biochemists' hypothesis about this compound is correct?a) cells that are unable to absorb water into their vacuolesb) cells that are unable to produce essential proteinsc) cells with double the correct amount of chromosomesd) cells with half the correct number of mitochondria
Centrioles and microtubules have a very close relation to the Micotubule Organizing Center (MTOC), which is involved in the issue on hand. The MTOC is responsible for organizing the centrioles and microtubules, because those organelles will be the ones to pull the chromosomes to the poles of the cell. So, if there is a problem in organizing centrioles and microtubules, they won't connect properly to the chromosomes and won't be able to pull them to the right poles (which is necessary to divide the total amount of chromosomes in order to duplicate the cell). There are no direct relation between those organelles and the vacuole, therefore we can say that A) is incorrect. Those organelles also don't play a decisive role in proteins production, so B) is wrong as well. The mitochondria isn't directly related to centrioles and microtubules also, so D) is also incorrect. Based on the information discussed, the correct answer is c) cells with double the correct amount of chromosomes, because when the chromosomes aren't separated, the cell will maintain the total amount and duplicate it, so it will end up being the double of the correct amount.
Answer:
Biochemists developed a compound that they hypothesize will disrupt the ability of the cells to organize centrioles and microtubules.
Explanation:
The caterpillar goes through blank which produces what
Answer:
One day, the caterpillar stops eating, hangs upside down from a twig or leaf and spins itself a silky cocoon or molts into a shiny chrysalis. They go into metamorphosis.
Explanation:
Answer: One day, the caterpillar stops eating, hangs upside down from a twig or leaf and spins itself a silky cocoon or molts into a shiny chrysalis. It produces a butterfly!
Explanation:
I just looked at other answer, I didn't copy!
Interphase must occur once before meiosis can happen. (Same thing for mitosis). What would happen if interphase didn't occur first?
Question 5 options:
The new cells would have the same amount of DNA.
Half of the new cells would not have nuclei.
The new cells would have half as much DNA.
The new cells would have ¼ the DNA as the original cell.
Interphase is the initial stage of both mitosis and meiosis. The function of the interphase is to allow the cell to grow, duplicate its DNA, and carry out cellular activities. The next stages of mitosis and meiosis occur following interphase. Hence, if interphase didn't occur first, the cells would have half the amount of DNA.Interp
hase is a cell cycle phase in which cells prepare for cell division by performing critical growth and replication processes. The DNA is replicated during the S (synthesis) phase of interphase in preparation for cell division. DNA replication occurs only in interphase, and cells must pass through interphase before proceeding to the subsequent stage of the cell cycle.
The amount of DNA in the new cells would be halved if interphase did not occur first before meiosis or mitosis. It's worth noting that interphase is a crucial stage that facilitates chromosome replication and increases the cell's overall size and mass.
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Can someone help me label this diagram of the fluid mosaic model please
Answer:
A) Integral/transmembrane proteins
B)Glycoprotein
C)Glycolipid
D) cholesterol
E)Phospholipid Bilayer
Will people who eat fast food, daily , develop symptoms of poor health related to obesity
Answer:
Yes. That will happen. Would u like an explanation?
Explanation:
Eating a poor quality diet high in junk food is linked to a higher risk of obesity, depression, digestive issues, heart disease and stroke, type 2 diabetes, cancer, and early death.
What happens if you eat fast food every day for a week?
Studies on fast food and heart health found having fast food more than once a week was linked to a higher risk of obesity while eating fast food more than twice a week was associated with a higher risk of metabolic syndrome, type 2 diabetes and death from coronary heart disease.
Is it healthy to eat fast food once a day?
Although it may be beneficial to eat junk food once a week, make sure that you eat just one such meal throughout the day, or your body might end up stocking all those calories which may end up getting stored as fat.
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Write two sentences to explain why mutations are rarely passed on to offspring.
The body of young mother has been discovered behind a dumpster. She was last seen 14 hours ago. Her body is in full rigor mortis. What can you conclude ?
A. She died shortly after she was last seen.
B. She died approximately one hour ago.
C. She died approximately 2-6 hours ago.
D. She died approximately 8-10 hours ago.
Answer:
A. She died shortly after she was last seen.
Explanation:
Answer:
C
Explanation:
Actually, rigor mortis sets in about 2-6 hours after death. This means she must have gone MISSING 14 hours ago, but DIED 2-6 hours ago. This means the answer is C.
Evolution of true cells was made possible when genetic information could be passed on. How is the genetic information passed on?
A. DNA
B. Ribosomes
C. Mitochondria
D. Chloroplast
Tommy is investigating a strain of bacteria. He observes that the bacteria is only found in environments with a pH range from 6 to 8. His lab partner prepares a growth medium for this bacteria with a pH of 5. Which explanation best predicts what will happen to the bacteria grown in this growth medium?
A
The bacteria will quickly die because the growth medium is too acidic for survival.
B
The bacteria will grow quickly and then begin to die because they will run out of food.
C
The bacteria will grow slowly because the growth medium will provide fewer resources.
D
The bacteria will grow quickly because they can change the pH level of the growth medium.
Answer: A
The bacteria will quickly die because the growth medium is too acidic for survival.
Explanation: it was only found in 6 to 8 pH range so it will not survive in pH of 5
which is a product of the Krebs cycle
A. ADP
B. NADH
C. pyruvate
D. glucose
Answer:
B. NADH
Explanation:
For one cycle, two molecules of carbon, three molecules of NADH, one molecule of FADH2 and one molecule of ATP or GTP are produced.