Answer:
B
Explanation:
Granite have a density 2.75
The best definition to define gene flow is a<span>n important mechanism for transferring </span>genetic<span> diversity among populations which migrants into or out of the population.</span>
I would like to say b but im pretty sure its c hope this helps
In
general, hormones that bind to plasma membrane receptors cannot pass through
cell membranes.
<span>
Membrane
receptors or cell surface receptors are receptors that are located in the
membranes of cells and usually are integral membrane proteins. The
extracellular molecules like hormones, neurotransmitters, cytokines, growth
factors are ligands that induce changes (signal cascade) within the cell.</span>