When a sperm and egg join a what is formed which is called a what after approximately one week

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

What condition is kept close to its set point in osmoregulation? a. body temperature b.platelet count c.blood glucose level d.water balance

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review