Because its not yet confirmed as being true some people think its fake and some think its real thats why its called a theory
Answer:
A. increase the speed of nerve impulses
Explanation:
Schwann cells speed up nerve impulses by secreting a fatty substance called myelin around the axon of peripheral nerves. (Myelin can greatly increase the speed of impulses in neurons because it insulates the axon and assembles voltage-gated sodium channel clusters at discrete nodes along its length.)
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Answer:
Explanation:
Myostatin (also known as growth differentiation factor 8, abbreviated GDF-8) is a myokine, a protein produced and released by myocytes that acts on muscle cells' autocrine function to inhibit myogenesis: muscle cell growth and differentiation. In humans it is encoded by the MSTN gene.
Answer:A través de la fotosintesis
Explanation:
The molecules move from a region of higher water potential to a region of lower water potential, through a semi permeable membrane.
Osmosis can be seen as water molecules moving down a water potential gradient. Water potential is the tendency of water molecules movement. The higher the water concentration is, the higher the water potential. This net movement of osmosis will continue until equilibrium is achieved, which is, when the water potential of both sides of the membrane is the same. At that time, water molecules still move, but theres no net movement, that is for example the number of molecules moving from left to right is the same number of molecules moving from right to left.
Osmosis is a natural event, as long as there's a semi permeable membrane, and a water potential gradient. This process doesn't require extra energy. Osmosis is only the movement of water molecules, other substances move by diffusion down the concentration gradient.