An organic molecule such as a vitamin that makes an enzyme functional is called a/an ________.
A. catalyst
B. coenzyme
C. coactivator
D. buffer
Answer: B
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The talocrural joint is formed by the union of the ________, the ________, and the ________.
A. tibia; calcaneus; talus B. femur; tibia; patella C. tibia; fibula; calcaneus D. tibia; fibula; talus E. femur; calcaneus; talus
What type of connective tissue forms most of the skeleton before it is replaced by bone?
A. dense irregular elastic tissue B. elastic cartilage C. fibrocartilage D. dense regular collagenous tissue E. hyaline cartilage
During exercise, which of the following would occur on an electrocardiogram (ECG) compared to an individual at rest?
A) the T wave would decrease B) the P-R interval would decrease C) the S-T segment would decrease D) the time from one R to the R of the next heartbeat would decrease
What movement would you expect to see in a pivot joint?
A) opposition B) abduction C) flexion D) rotation