DNA<span> is a long polymer with deoxyribose and phosphate backbone. Having four different nitrogenous bases: adenine, guanine, cytosine and thymine. </span>RNA<span> is a polymer with a ribose and phosphate backbone. Four different nitrogenous bases: adenine, guanine, cytosine, and uracil.</span><span />
That is a good answer, add a bit of your personal fears (don't share here) and it will be good.
Zidovudine the first antiretroviral drug, became availabale to treat HIV on febuary 4 i dont rember what year, hope that helps you out
Answer:
There are many harmful chemicals in the cigarette that increases the red blood count. The compounds that is found in the cigarette are carbon monoxide, and other compounds that decreases the level of oxygen inside the body.
In order to compensate the oxygen level of the body, the body boosts the level of production of red blood blood cells in the body.
hence, the chemical like carbon dioxide and monoxide tends to decrease the level of oxygen in the body and elevated red blood cells.