I am good with cells what is the question you need help with?
The reason as to why the breaks of a vehicle becomes hot
when they are continuously used is because of the fact that the kinetic energy that
is being used is being converted to a thermal energy, causing the brakes of the
vehicle to be hot.
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.
The <span>sunflower is considered to be the largest plant without a wooden stem. The sunflower will usually grow more than 120 inches. </span>. It have a hairy stem but it is not wooden, is soft line the plant vines. It tilt during daytime because it usually face the sun.
