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gavmur [86]
2 years ago
13

10. What statement is true about embryonic stem cells and adult stem cells?

Biology
2 answers:
kaheart [24]2 years ago
5 0

Answer:

D.

Explanation:

I had the exact question on savvas realize.

Anestetic [448]2 years ago
4 0
Yea that link works try it for your self and let me know if it worked
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Which of the following is NOT a function of Sertoli cells?
zalisa [80]

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The correct answer is option - d. Production of primary spermatocytes.

Explanation:

The accessory cells or supporting cells present within the seminiferous tubules of reproductive system termed as the Sertoli cells. They play various roles in the body and reproductive system.

Sertoli cells make blood-testis barrier in adjacent Sertoli cells in the seminiferous tubules. These cells secrete different types of enzymes and hormones such as inhibin which are also secreted by ovary and placenta in females. Sertoli cells produce seminiferous tubular fluid to provide nutrition to the sperm. Apoptotic germ cells are timely eliminated by these cells.

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3 0
3 years ago
Differential survival and reproduction of individuals in response to environmental pressure that leads to changes in allele freq
Ivahew [28]

Answer:

The answer is natural selection.

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Natural selection will make an organism to survive and reproduce because, it will be better suited to the environment.

This is the reason why natural selection is considered as a key mechanism of the evolution.

5 0
3 years ago
Increases and decreases of the heart rate result from changes in the activity of the _______. A. medulla oblongata B. thalamus C
pantera1 [17]

Option A. Increases and decreases of the heart rate result from changes in the activity of the <u>medulla oblongata</u>

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What is medulla oblongata ?

  • Medulla oblongata, also called medulla, the lowest part of the brain and the lowest portion of the brainstem.
  • The medulla oblongata is connected by the pons to the midbrain and is continuous posteriorly with the spinal cord, with which it merges at the opening (foramen magnum) at the base of the skull.
  • The medulla oblongata plays a critical role in transmitting signals between the spinal cord and the higher parts of the brain and in controlling autonomic activities, such as heartbeat and respiration
  • The medulla is divided into two main parts: the ventral medulla (the frontal portion) and the dorsal medulla (the rear portion; also known as the tegmentum).
  • The ventral medulla contains a pair of triangular structures called pyramids, within which lie the pyramidal tracts.
  • The pyramidal tracts are made up of the corticospinal tract (running from the cerebral cortex to the spinal cord) and the corticobulbar tract (running from the motor cortex of the frontal lobe to the cranial nerves in the brainstem)

To know more about medulla oblongata, refer:

https://brainly.in/question/123107

#SPJ4

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