B because the temperature goes up then the birds would move to the south were it is cooler.
Answer:
Nucleic acids are macromolecules that store genetic information and enable protein production. Nucleic acids include DNA and RNA.
Explanation:
The myelination of axons or the presence of the myelin sheath regulates the conduction velocity of the nerve impulses by acting as an insulator to the nerve fibers. The spaces or gaps between each myelin sheath are called the nodes of Ranvier and the impulse go from one node to another. This phenomenon is called saltatory conduction.
Nice to know: The myelin sheath in the central nervous system is provided by cells called oligodendrocytes. On the other hand, the myelin sheath in the peripheral nervous system is provided by cells called the Schwann cells.
Answer:
True
Explanation:
This statement is true, catabolism is a process where molecules that have a high content of energy in its bonds, are broken down to use the energy, on the other hand, we have anabolism, which is the building of molecules, and it requires energy to do this. The combination of these processes is called metabolism. In anabolism, and catabolism the energy, which is used for the function in the body, is in the molecules' bonds.
The most common molecule that has a high content of energy in its bond is ATP (adenosine triphosphate).
Explanation:
what is the variable factor !