A common oxidizing agent used to couple chemical reactions in cells is ________.
A. riboflavin
B. FAD
C. NADH
D. niacin
Answer: B
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Saturation occurs when
A. there is so much enzyme present that the reaction rate decreases if more is added. B. all enzymes are busy and further increases in substrate concentration will not increase reaction rate. C. enzymes become fatigued and can no longer catalyze changes in the substrate. D. intramolecular interactions are disrupted in the enzyme, decreasing its efficiency and decreasing reaction rate. E. the substrate is denatured and the enzyme cannot catalyze any changes in its structure.
Define cervical disk disease
What will be an ideal response?
The simplest types of movement at a synovial joint are ________ movements.
A. circular B. fibrous C. angular D. gliding E. special
What does the thick filament do during a muscle contraction?
A) Pulls on the thin filament B) Blocks the actin active site C) Stabilizes the Z-disc D) Forms a stationary wall for the thin filament to pull against