The right answer is D because the molecules move from a low concentration to a high concentration.
The sodium-potassium pump is responsible for maintaining hydric balance in the body, the contraction of striated and smooth muscles, the maintenance of blood pressure and the transmission of nerve impulses in neurons. For this purpose, this protein transports sodium ions outside a cell and introduces potassium ions, using the energy of ATP degradation. The cell is then depolarized. The protein is particularly active during physical exertion.
Gaseous atoms and plasmic ions expand in all directions.
Answer:
Differences in size between sexes are also considered secondary sexual characteristics. In humans, visible secondary sex characteristics include pubic hair, enlarged breasts and widened hips of females, and facial hair and Adam's apples on males.
Explanation:
Explanation:
A group of genes that work together
A group of genes that work togetherWhat is an operon?Sometimes, gene variants (also known as mutations) prevent one or more proteins from working properly. By changing a gene's instructions for making a protein, a variant can cause a protein to malfunction or to not be produced at all.Genes are contained in chromosomes, which are in
