What is ATP?
A. A usable form of energy for the cell
B. The waste product produced by cellular respiration
C. A modified glucose molecule
D. Adenosine diphosphate
Answer: A
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The tail feathers of peafowl are called a ________________
Fill in the blank(s) with correct word
Muscle tissue is characterized by its
A. durability. B. avascularity. C. contractility. D. rigidity. E. strength.
In the PCT, ions and organic substrates are actively removed, thus causing what to occur?
A) An osmotic flow of water out of the tubular fluid. B) An increase in aquaporin channels in the membrane. C) An osmotic flow of water into the tubular fluid. D) An increase in sodium transporters in the membrane. E) A decrease in sodium transporters in the membrane.
The structural and functional unit of all living things is the ________
A) nucleus B) element C) cytoplasm D) cell E) organelle