HIV or AIDS is a sexually transmitted disease that will eventually lead to the damage of the internal organs and other physical problems such as paralysis, numbness, and gradual blindness. HIV or Human Immunodeficiency Virus is a type of disease that affects the Immune System of the body. As the virus continues to spread, the immune system progressively fails allowing other life-threatening diseases to penetrate the body. A person who does not undergo any form of medication has an estimated 9 to 11 years of survival. It can be contracted in many forms either through semen and saliva transfer.
Natural selection is one of the basic mechanisms of evolution during which those variations in the genotype that increase organism's chances of survival and procreation are preserved and multiplied from generation to generation at the expense of those that are less advantageous. In this case the following are postulates of natural selection; Individuals with certain traits are more likely to survive and reproduce, individuals in a population vary more likely to survive and reproduce, survival and reproductive success are variable among individuals in a population and lastly some traits differences are heritable.
The answers would be histones; nucleosomes.
Sentence form: In the nucleus, DNA is wrapped around histones to form nucleosomes.
Answer:
Some pyrogens are produced by body tissue; many pathogens also produce pyrogens. When the hypothalamus detects them, it tells the body to generate and retain more heat, thus producing a fever.
