Generally, the energy for pumping protons outside of a plant cell comes most directly from ____
a. sunlight
b. starch
c. ATP
d. diffusion
e. glucose
ANSWER: c
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A person with which blood type can receive a transfusion from anyone else regardless of their blood type?
a. Type A b. Type B c. Type O d. Type AB e. Type C
How do the muscles in your arm extend your arm outward?
A. The muscles in your arm push on the bones, causing your arm to extend. B. The muscles in your arm relax, and the tendons pull the arm straight. C. The top half of your bicep wraps around underneath the elbow like a rope over a pulley. When it contracts, the arm is pulled out straight. D. Some muscles in your arm relax, and others contract, pulling the arm straight.
Is it possible to prevent mutations entirely?
What will be an ideal response?
The root cortex is composed mostly of collenchyma cells. Indicate whether the statement is true or false