Earths atmosphere
glass window
tinted car window
mirror
t shirt
Explanation:
1. Barr body is a drumstick-like structure of dense, coiled chromatin that appears normally in female's buccal cells and neutrophils. It represents the inactive X-chromosome (Females have two X-chromosomes. Only one is active.)
2. Liver cells are somatic, not sex cells and are thus diploid.
Answer: the main function is to control what goes in and out of the cell. It is made of a double layer of lipids (fats) imbedded with odd-looking protein molecules. Because it is a fat, only some things that are very tiny, like water and oxygen pass through this part.
Explanation:
Mutations can be both harmful and helpful. It is helpful because it could help breed or sustain more species for better production or consumption. It is harmful because it could cause genetic disruption to a living organism that may impair its functioning as a whole.
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