Concentration gradient across the membrane. Proteins in the membrane allow specific molecules through, passively.
Answer:
<u>They produce the materials needed by the sperm to travel to the egg</u>
Explanation:
Seminal vesicles are glands located near the distal end of the vas deferens. They are responsible mainly for the secretion of seminal fluid as the sperm are moved along towards the ejaculatory duct. The seminal fluid contains a substance which stimulates the sperms. The seminal fluid also contains simple sugars e.g. fructose which provide nourishment for the sperms.
Answer: Carbohydrates
Explanation: Which macromolecules release energy the quickest? Carbohydrates
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<span> Analyze what could have happened, and change the experimental methods to retest the hypotheses in a different way.. </span>
Answer:
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate
Explanation:
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