Because the majority of cell differentiation occurs during the EMBRYONIC phase, .................. The embryonic stage of pregnancy is the period after implantation during which all the important organs and structures in the growing fetus is formed. Tetratogens are factors that caused malformation of embryo. Exposure to tetratogens during embryonic stage cause most destructive damages.
Answer:
Anywhere on the night side of the Earth.
What type of connective tissue continues to grow as we age?
Answer:
Lipofuscin
Explanation:
As aging continues, waste products build up in tissue. A fatty brown pigment called lipofuscin collects in many tissues, as do other fatty substances. Connective tissue changes, becoming more stiff. This makes the organs, blood vessels, and airways more rigid
Activation energy - is the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.