Identify three possible components of a DNA nucleotide.
A) deoxyribose, phosphate group, thymine
B) cytidine, phosphate group, ribose
C) adenine, phosphate group, ribose
D) deoxyribose, phosphate group, uracil
E) guanine, phosphate group, ribose
F) cytosine, phosphate group, ribose
Ans: A) deoxyribose, phosphate group, thymine
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a. migration rates b. energy intake c. ability to capture prey d. interaction with predators e. ability to hide from predators
When present on the cell surface, these molecules are used as receptors
A. Teichoic acids B. Lipoproteins C. Glycocalyx D. Lipoteichoic acids E. glycoproteins
What is the function of troponin and tropomyosin during skeletal muscle contraction?
A) To generate an action potential B) To regulate bonding between actin and myosin C) To remove calcium from the muscle fiber D) To increase the amount of calcium entering the muscle fiber E) To prevent over-contraction of muscle fibers
the blood-testis barrier
What will be an ideal response?