A cell can also use energy to move a large substance or a large amount of a substance in vesicles.
Answer: Answer below
Explanation: pH is a measure of the acidity or alkalinity of a solution. What the pH scale measures is basically the concentration of hydrogen and hydroxyl atoms in a solution. So, the last option is the answer. Another thing to keep in mind is solutions with a pH under 7 are acidic, solutions with a pH of 7 are neutral, and solutions with a pH over 7 are alkaline or considered a base. I hope this helped! Good luck:)
Adrenal
It is located at the center of the gland, being surrounded by theadrenal<span> cortex. It is the innermost part of the </span>adrenal<span> gland, consisting of cells that secrete epinephrine (adrenaline), norepinephrine (noradrenaline), and a small amount of dopamine in response to stimulation by sympathetic preganglionic neurons.</span>
Answer:
Biology: the study of living organisms
Reproduction: process which organisms make offspring
Explanation:
