29. B
30. EXO means your EXporting it out of the cell so the answer would be C
Blood type because looking at someone, you cannot determine their blood type.
Answer:
When there is a cut, and platelets are coming, its positive feedback. But when the clot is formed and increased platelets concentration at the site create a negative feedback to stop sending more platelets for clot formation.
A part of the body that doesn’t contain melanin is the nails
Answer:
It requires cellular energy to achieve its moment.
