Answer:
Plasma membrane is the semi-permeable membrane that allow the movement of some selected particles only against the concentration gradient or along the concentration gradient.
Different substances can be move through the diffusion, active process and passive process. The hydrogen in the vesicle has been moved through the facilitated diffusion. In this process, the hydrogen ions will move along the concentration gradient without the requirement of energy but requires the channel protein for its transport.
<span>Dr. Nelson studies the psychological factors that seem to be associated with the development of heart disease. Dr. Nelson specializes in health psychology.</span>
<span>The fossils in the lower layers are older than the fossils in the upper layers.</span>
The more light absorbed, the quicker the photosynthesis rate.
Answer:
dominant is the 2 capital letters heterozygous dominant is one capital and one lower case
purple
hairy knuckles normal tails
Explanation: