Answer:
a. more than one pathway at the same time.
Explanation:
Basically, RTK (receptor kinase receptor) principally activate many different transduction pathways about 10 or more and many cellular response in living cells.Thus, its activates more than one signal transduction pathways at once, (compare to G-protein ), and with this mechanisms it aids in coordination of some aspects of cell growth and cell reproduction .
Answer: Put a drop of stain on an outer edge of your cover slide. Place a piece of napkin or paper towel against the opposite side of your cover slip, right up against the edge. This will help draw the stain under the cover and across the specimen.
It is a chemical reaction. Where two elements/compounds are fused together to form a new compound.