<span><span>A.</span><span>One is polar and one is nonpolar</span></span>
1500 =100
900 =x
900 x 100 = 90000/1500= 60
60% of kcals come from carbs
Answer:
The answer is Genetic drift and natural selection.
Explanation:
Genetic drift is a change is genetic composition that enhances organisms adaptation to an environment. The continuous change gives an extra advantage and enhances better chances of survival
Natural selection is the process that results in the adaptation of an organism to its environment by relatively reproducing its genes.
This two factors are the major factors that like causes allele fixation
Answer:
It is possible since a receptor can activate different signaling pathways in different cell types
Explanation:
In a cell, a receptor bind to a specific ligand to activate a signaling pathway, while the same receptor may bind either with the same or another ligand in another cell type and thus activate another signaling pathway