Answer:
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.
Thus, the correct answer is option D. Production of primary spermatocytes.
<span>Atoms are the smallest particle of matter. Each has a nucleus of protons and neutrons surrounded by electrons.
An element is an atom with a particular atomic number, that is, a certain number of protons. Each element has a different number of protons.
A compound is something formed by two or more atoms.</span>
Answer:
Explanation: New experimental data can lead to a better understanding of theories or can even disprove them.
The answer is Grass and Cactus. It will never stop running out of energy to feed the herbivore consumers.
