Answer:
Scientific theories are based on large amount of evidence
Explanation:
Answer:Specific proteins are made only at certain times in certain cells.
Explanation:
Thiss is probably true I’m not quite sure
Gymnosperms – plants with cones.
Angiosperms – plants with flowers.
Answer:
Explanation:
Pumps, also called transporters, are transmembrane proteins that actively move ions and/or solutes against a concentration or electrochemical gradient across biological membranes. Pumps generate a membrane potential by creating an electrochemical gradient across the membrane.