What effect can an overproduction of the hormone catecholamine have on a person? a). it can cause mood swings and irritability. b). it can cause aggressive behavior. c). it can cause hair loss and breathing problems. d). it can cause anxiety, fear, and panic.

If an organ has six haploid chromosomes, how many chromosomes are present. 6 12

People with one sickle cell allele are not likely to get malaria. what is this an example of?

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water