Chemical reactions that occur in the human body are catalyzed by special protein molecules called
A) electrolytes.
B) enzymes.
C) metabolites.
D) steroids.
E) buffers.
B) enzymes.
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Tendons are composed of which tissue?
A. Dense regular connective tissue B. Dense irregular connective tissue C. Reticular tissue D. Skeletal muscle tissue E. Fibrocartilage
In the initiation of muscle fiber contraction, calcium ions bind to tropomyosin, exposing
active sites on actin for cross-bridge formation. Indicate whether the statement is true or false
Most enzymatic reactions in the body are one-step processes.
Answer the following statement true (T) or false (F)
The central sulcus separates the
A. two parietal lobes. B. frontal and parietal lobes. C. occipital and temporal lobes. D. temporal and frontal lobes. E. parietal and occipital lobes.