Explanation:
Melanin is the pigment which absorbs UV light and it is present in skin and gives black colour to it.As we can see africans usually have black skin as they have to face direct uv light.
Answer:
The answer is strictly between B or D
Cells don't grow very big because they have to be able to diffuse through material easily. Also, when cells are small and plentiful they are easy to replace when damaged.
Answer:
C. four single covalent bonds
Explanation:
Carbon atoms can form four single covalent bonds.
On the off chance that there is an EcoR1 site in either the center of the Glo quality, or amidst the selectable marker site in the plasmid, it would likely debilitate either Glo, or the plasmid.I hope this will help.
