It flows from a high to low concentration gradient across the membrane.
The correct answer is they filter water and solutes from blood.
<span>The nephron is a structural unit of kidneys with the function to filtrate blood in order to produce urine. A nephron is used to ultrafiltrate water, ions and small molecules from the blood, to excrete wastes and toxins, and return needed molecules to the blood (reabsorption).</span>
Answer:
When a cell is very low on ATP, it will start squeezing more ATP out of ADP molecules by converting them to ATP and AMP (ADP + ADP → ATP + AMP).
Answer: b
Explanation:
forming a waterproof covering on feathers, leaves, and fruit.
Answer:
Yes. Hydropower, Wind Power, and just about any other alternative produces less CO2 than natural gas
Explanation: