Your body systems work together to keep you alive. Each of these systems is made up of organs
with specific functions. The structure of these organs and the cells of which they are made make
them well suited to their function. An important function of your body systems is to supply your cells
with energy and nutrients, and to remove wastes that are produced, thats the best I
have.
<h2>Answer </h2>
A virus consisting of a single strand of RNA, which is transcribed into complementary DNA, is a RNA replication virus.
<u>Explanation </u>
It is the RNA replication virus that is transcribed into complementary DNA. The RNA replication is a process in which the doubling of single strands taking place the RNA is transcribed into the complementary DNA. There are three stages of RNA replication which are an initiation, chain elongation, and termination. There are three types of RNA involved in protein synthesis which are mRNA, rRNA, and tRNA.
B, heredity, is an uncontrollable risk factor. Heredity is the genes and predispositions we inherit from our parents, which we cannot control. Our diet, whether we smoke, and the amount of exercise we get is all within our control, but our heredity factors are not.
The answer to this question is : D.