Answer:
B
Explanation:
Vitamin C Function in Central Nervous System. It is well known that the main function of intracellular ascorbic acid in the brain is the antioxidant defense of the cells. ... Ascorbic acid, being an antioxidant, acts directly by scavenging reactive oxygen and nitrogen species produced during normal cell metabolism
A physical change occur when objects or substances undergo a change that does not change in which the composition of a substance changes or one or more substances combine or break up from new substances.
The way a houseplant respond to sunlight that comes from one direction is : C. By bending it stem toward the sun
By doing this, the plant intend to get the maximum amount as possible to fulfill its photosynthetic needs
hope this helps
Answer: Option C.
G - alpha subunits stimulating the production of second messenger
Explanation:
Metabotropic receptor is a type of receptor in the Eukaryotic cells that exerts it's action by producing a second messenger. They do not change channels but they exerts it effect by binding and stimulating G protein to produce a second messenger. They can either close or open channels in cell membrane. They are found at the surface of the cells or vessicles.
La biogénesis es el proceso fundamental de los seres vivos que producen otros seres vivos. Ejemplo: una araña pone huevos de los que saldrán más arañas. La biogénesis es aquel principio según el cual la vida solamente se origina de una vida preexistente (que ha existido antes).
