A gene pool is a collection of all the genes in a population. This can be any population - frogs in a pond, trees in a forest, or people in a town.
Answer:
b) inhibits, activates
Explanation:
During the rhythmic ativity of sleep, thalamocortical neuron activity inhibits neuron activity, that in turn, activates thalamocortical activity.
Answer:
b
Explanation:
Internal respiration is the process of diffusing oxygen from the blood, into the interstitial fluid and into the cells.
Answer:
major event of anaphase is the sister chromatids moving to opposite poles of cells due to action of the condensing spindle fibres.
Explanation:
the chromatids only start separating when the pressure is sufficient to split the centromere.
