A person who has allergies has a compromised immune system because the body's immune systemn attacks ts healthy cells.
noverreacts to an antigen.
steals nutrients from healthy cells.
responds to mutagens.

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Explain why phospholipid molecules form a bilayer. (3 marks)

Match each term to its best definition? sedimentary depositional enviornment