"the valves located between the atria and ventricles are known as the valves."

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2

Is dna the same in every cell in the human body explain your answer