Answer:
There are two types of cell membranes. Either open or closed. Open is when other particles can get in or out. Closed is the opposite.
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Answer: p53
Explanation:
In most cases, the p53 gene is mutated, giving rise to a stable mutant protein whose accumulation is regarded as a hallmark of cancer cells.
True
Renewable energy processes present us with alternative sources of energy.The alternative energy sources applied to the energy sources other than remains in the form of fossil fuels. These energy sources are existing in the structure of solar power, tidal energy, geothermal power, electricity obtained from wind energy, and biomass.
Explanation:
cAMP binds to protein kinase A and activates it, allowing PKA to phosphorylate downstream factors to produce a cellular response. cAMP signaling is turned off by enzymes called phosphodiesterases, which break the ring of cAMP and turn it into adenosine monophosphate (AMP).
