Fat and oxygen are the substances that moves
passively from the lipid part of the membrane, other substances which moves
from the membrane are steroids and oxygen.
<span>The membrane which separates the cell from the
outside environment is cell membrane and phospholipid is the major lipid or
primary type of lipid which is used in the cell membrane.</span>
Answer:
Crayfish use their large pincers to capture common prey items, such as worms, leaches, snails. Additionally, crayfish occasionally capture large prey, such as frogs, fish, salamanders and tadpoles. Frog eggs and insects are important foods for the juveniles of many species.
Answer:
You must understand that your body belongs to you. Most of the stuff you see on adverts are all fake. (It's mostly photoshop) Your beautiful no matter what you look like!
Explanation:
Hope this helps!
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.