B, C, D
Meiosis is for sexual reproduction and is meant to create diversity. Answers A/e involve identical-ness, so they are wrong.
Most of anti-anxiety agents work by depressing the central nervous
system activity. They
produce a calming effect by potentiating the effects of gamma-aminobutyric acid
(GABA), one of the inhibitory neurotransmitters and thereby reduces the
transmission of nerve impulses. In addition, they act particularly on the
limbic system and the reticular activating system.
The cell is copied, and then the cell splits.
Villi increases the surface area to help with absorption and digestion. Micro-villi form a brush border that vastly increases the surface area of the plasma membrane so larger amounts of nutrients can be absorbed.
