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 />
Answer:
A. Mental health disorders occur because of a variety of factors.
Explanation:
Mental damage or psychological conditions are multifactorial, from the person's cognitive power, family history and possibly the perspective of lived experiences.
True, v<span>iral STI's are not curable they can only be controlled with medications.</span>
Answer:
Reduced levels of the neurotransmitters serotonin and norepinephrine may also contribute to the development of ADHD.
Explanation:
