That would be A.
Cells have specific receptors for different hormones that allow the intake of them.
Answer:
Osmosis.
Explanation:
Osmosis is defined as the passive transport in which net movement of water across the membrane from high water area potential to low water area potential. The membrane is known as selectively permeable membrane moved by a concentration of solute both sides of the membrane.
Selectively permeable membrane is a membrane which is selective in nature that allows unrestricted passage of water molecules, but not solute molecules.
Answer: first 2 statements ie. It is essential that our diet provides these amino acids.
There are 20 essential amino acids.
XX if female and XY is male
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