Answer:
(Step by Step)
Explanation:
The codes used to build a specific polypeptide chain is contained within the base sequence of DNA. A length of DNA that holds the code for a polypeptide chain is called a gene. Amino acids link together to form a polypeptide chain and then fold into a protein.
Research indicates that stress can produce direct physiological effects such as elevated blood pressure, increased hormonal activity, and decrease in immune system functioning. Or, in other words, all except psychological disorders.
The answer that applies is B. I and II only. III. is performed by different hormones
Hopefully I remember this correctly and have helped.
<span>In the passive transport, the diffusion takes place down the concentration gradient of a solute, and do not require the wxpense of energy. But sometimes, carrier proteins are used for transport of the substances who can not cross the membrane, on their own, such as water and carbon dioxide. They are polar and have some charge, therefore, are not able to cross the hydrophobic membrane without carrier proteins. So, your answer is D.</span>