★ DNA Structure, Replication, Proteins Quiz
What are the components of the DNA backbone?
A. Phosphate and deoxyribose (sugar)
B. Adenine and thymine
C. Cytosine and guanine
D. Hydrogen bonds
Select your answer:
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Cardiology › ViewWhat is the cardiac output when the blood pressure difference is 50 and the resistance of the blood vessel is 20?
A. 3.2
B. 2.5
C. 4
D. 6
E. 5
Biochemistry/Cells › View
Passive transport is called “passive” because it occurs WITHOUT
A. cause.
B. energy.
C. a concentration gradient.
D. a cell wall.