The Human Immunodeficiency Virus (HIV) prevents the body from being able to fight off infections. TRUE or FALSE

HIV (human immunodeficiency virus) is a virus that attacks the immune system. The immune system becomes weaker, making it harder for the body to fight off infections and some kinds of cancers. Most people who are diagnosed early and take medicines for HIV can live long, healthy lives.

(I found this answer from the web so credits to them :)

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.