Answer:
Bone marrow, amniotic fluid, and brain
Explanation:
In the choices, I notice that liver is also a part of Adult stem cells but so are the ones I mentioned.
Adult stem cells are found in small numbers in most adult tissues. To not get confused by embryonic stem cell, adult stem cells are there to replace dead cells throughout the growing process of a human which is also called somatic stem cells but this type of cells helps with the brain, bone and fluid
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- The anterior pituitary gland's endocrine cells are in contact with hormones that are released.
- Neurosecretory cells in the hypothalamus secrete hormones that are released.
- Release of a specific hormone into the bloodstream by endocrine cells in the anterior pituitary gland.
<h3>What is the main function of the hypothalamus?</h3>
Your body's sophisticated control and coordination center is located in your hypothalamus, a structure deep inside your brain. Its major job is to maintain homeostasis, a constant state of equilibrium in your body. It carries out its function through controlling hormones or by directly affecting your autonomic nervous system.
<h3>What are the endocrine cells?</h3>
The gut's endocrine cells are a significant source of the hormones that regulate metabolism, digestion, and appetite. They are mostly found in two places: islets in the pancreas and sporadic clusters in the mucosal epithelium of the gut.
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Answer:
The correct answer is- Histone
Explanation:
DNA is approximately 2.2 m long thread which has to be adjusted in a microscopic nucleus so DNA must be in a supercoiled form to be present in the nucleus and this supercoiling of DNA is done on histone protein.
Histone protein is a positively charged protein that is made up of eight proteins so it is called histone octamer. Each histone has 2 copies of each protein that is H2A, H2B, H3, and H4.
DNA is negatively charged and histone protein is positively charged therefore DNA wraps around histone protein which causes the packaging of DNA. So the correct answer is histone protein.
Across nearly seven million years, the human brain has tripled in size. The most likely the reason for the evolution of a larger brain in humans is that a larger brain allows humans to solve complex problems. Large, complex brains enable humans to process and store a lot of information and to interact with each other and with their surroundings better. The brain we now humans have is the largest and most complex of any living primate.
The mouse, because it is an endotherm and therefore its basal metabolic rate is higher than the ectotherm lizard's standard metabolic rate.
<h3>What are endotherms and ectotherms?</h3>
Animals classified as ectotherms and endotherms employ several techniques to control body temperature.
Endotherms are recognized as warm-blooded creatures, whereas ectotherms are also referred to as cold-blooded creatures. Ectotherms and endotherms vary primarily in that endotherms control their body temperatures by sustaining bodily functions, but ectotherms depend on external sources like sunlight to do so. Ectotherms include invertebrates, fish, amphibians, and reptiles while endotherms include mammals and birds.
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