The movement of a substance across a plasma (cell) membrane through a protein against the concentration gradient with the help of energy input is:

What enzyme makes ATP from ADP and a phosphate?

Which cell type contains membrane bound organelles?

About how many molecules of ATP is generated from 1 molecule of glucose throughout the entire process of aerobic respiration?

Hydro_____ molecules pass through the membrane easily, whereas hydro_____ need help.

A substance will diffuse from an area of ____ concentration to an area of ____ concentration.

Is a zygote diploid or haploid?

Match the following statement to the correct phase of mitosis.   When spindle fibers are first attached to the chromosomes

Leber’s hereditary optic neuropathy is inherited from the mother to all offspring. It results in the break down of retina ganglion cells and the axons. The mutation is of a protein called NADH dehydrogenase which is essential in cellular respiration. From this information, which organelle does this disorder affect?

A cell could have from one to thousands of mitochondria depending on its metabolic activity.