Answer:
c. sodium-potassium pump
Explanation:
a. osmosis - this is a type at of passive transport. It is diffusion specific to water molecules.
b. diffusion - this is also a type of passive transport. Molecules move from a high concentration to a low concentration down a concentration gradient. This is passive transport and does not require energy.
c. A sodium-potassium pump is a type of active transport, it uses energy to move ions across the membrane. They cannot pass through the membrane because they are charged.
d, facilitated diffusion is a type of passive transport through which substances are transported through proteins in the plasma membrane.
Answer:
Because its destroying our Ozone layer, we will die of UV light overdose
Explanation:
<span>The axon carries information from the cell body out to the terminal buttons. An Axon, commonly referred to as a nerve fiber, is a long and slender in shape, it is the projection of a nerve cell that generally is responsible for conducting electrical impulses, referred to as action potentials, away from the body of the nerve cell.</span>
Vaccines help develop immunity by imitating an infection, but this “imitation” infection does not cause illness. It does, however, cause the immune system to develop the same response as it does to a real infection so the body can recognize and fight the vaccine-preventable disease in the future
Answer:
all living organisms are formed from cells
all living cells reproduce
cells are the basic structural and functional unit of life
Explanation:
