Answer:
a. iris
Explanation:
iris is actually the structure of the eye that regulates the amount of light passing to the visual receptors of the eye
Transport of a compound across a cell membrane (down a concentration gradient) was measured at several concentrations. The presence or absence of ATP had no effect on the transport of this compound. ... Why are the lipid bilayers in cells called "selectively permeable"? They are permeable to some substances but not others.
Cation. Sodium has 10 electrons with 1 outer valence electron, and outer valence electrons are positive. This means that it will have a charge of +1, and a cation is a positively charged ion that is attracted to the cathode during electrolysis, which is the decomposition (chemically) of something that happens after an electric current passes through it.
Answer:
No
Explanation:
Work is when motion is accomplished
