This is only one part of the answer, but its important: high-altitude O2 absorbs much energy from the sun (including radioactivity), which forms the ozone layer. this process protects delicate molecules important to life - most notably dna
if they are all part of the same species it would be a population
D. Proteins help control substances by making trans-membrane channels.
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❖ This statement is false.
PROKARYOTE cells are cells that don't contain a nucleus, whereas a EUKARYOTE has cells that have a nucleus.
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