Answer:
The substance moves from low to high concentration, against the concentration gradient.
Explanation:
When molecules move from high to low concentration, it is known as Diffusion. It moves with the concentration gradient and does not require energy.
However, when molecules move from low to high concentration, it is against the concentration gradient and cannot proceed without Energy. This process is called Active transport.
Cell membrane is not thick, it is thin and semi permeable.
Answer: 2^(3^4)
Explanation: do the 3^4 first in the parentheses then do 2^81
Answer:
I have been to get a
Explanation:
I c have a true conclusion for my head but I think it is a good way for me to get
Answer: the antibodies mistakenly identify the cells as foreign material
Explanation:
