Answer:
The plasma membrane is selectively permeable
Explanation:
hydrophobic molecules and small polar molecules can diffuse through the lipid layer, but ions and large polar molecules cannot. Integral membrane proteins enable ions and large polar molecules to pass through the membrane by passive or active transport.
The correct answer for this question would be C) At seafloor spreading centers or the third option.
What type of mutation has occurred in figure 12-3?
Answer= substitution
According to the Big Bang theory, the universe was once very dense and is now expanding.
