Which of these is not an example of intracellular communication?

a. dna in a cell replicates
b. heart cells contract together
c. water regulation by a cell's central vacuole
d. charged ions distributed across a plasma membrane

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons