Its a nucleotide.
This is the answer because they are the basic units of nucleic acids. These nucleotides are made up of a pentose sugar, a nitrogenous base, and a phosphate group.
I would assume it is choice b.
because in the summer there are more hours of light, and n the winter there are less.
Answer:
A bird is a bird, except when it's a nestling, hatchling, or fledgling. As baby birds grow, the specific names that refer to the change.
Answer:
It is affected by the concentration gradient.
Diffusion stops, when the concentrations of the substance on either side of the barrier become equal.
Explanation:
