Answer:
A retrovirus is an RNA virus that is duplicated in a host cell using the reverse transcriptase enzyme to produce DNA from its RNA genome. The DNA is then incorporated into the host's genome by an integrase enzyme. The virus thereafter replicates as part of the host cell's DNA.
Sedimentary and metamorphic rocks?
For Testosterone.
<span>-Increased body fat
-Decreased strength/mass of muscles
-Fragile bones
-Swelling/tenderness in the breast tissue
-Increased fatigue
ETC.
For Estrogen < Not Estranged haha.
</span><span>-Lack of menstruation and delayed development
</span>-They can also have hot flashes and night sweats, <span>forgetfulness, insomnia, when estrogen levels are low.</span>
Answer:
Oxygen is required by all cells for cellular metabolism and circulating blood must be well oxygenated for maintenance of life. Carbon dioxide is a waste product of cells and must be eliminated or a serious change in pH can occur, known as acidosis.
Explanation: brainlist?