The menstrual cycle is regulated by two hormones secreted from the pituitarygland, follicle stimulating hormone (FSH<span>) and luteinizing hormone (LH).</span>
Answer and Explanation:
The correct answer is option B
B. The treated glioblastoma cells were cultured in the presence of an inhibitor from umbilical cord stem cells, but the control cells were cultured without the inhibitor.
<span>By discovering height and length of a bone forensic experts are able </span>to tell the person’s weight, the racial group to which
the person belongs. With other characteristics of the bones, the experts can discover age, if the person was a male or female and what traumas suffered before.
<span>Antibiotics work by selectively targeting the reproduction or growth of specific bacteria cells and by not attacking human DNA. Antibiotics do not, or should not, target and affect human DNA gyrases, although they should target the specific bacteria growth. The host, (human) DNA needs to remain unharmed while the bacteria does not replicate.</span>