Describe the four types of enzymatic reactions.
What will be an ideal response?
Oxidation-reduction reactions transfer electrons or protons between substrates. Hydrolysis-dehydration reactions form or break a chemical bond between organic substrates by removing or adding a water molecule. Transfer reactions (Addition-subtraction-exchange reactions) add, remove, or exchange a functional group (phosphate or amino groups) among the substrates. Ligation reactions join molecules using the energy from an ATP molecule.
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Slow fibers are specialized to continue contracting for extended periods of time without experiencing fatigue.
Answer the following statement true (T) or false (F)
A tissue transplant from an animal to a human is a(n)
A. allograft. B. syngenetic graft. C. autograft. D. homograft. E. heterograft.
Testosterone can be categorized as a(n) ________ hormone.
A) amine B) glycoprotein C) peptide D) protein E) steroid
The fibers that carry the action potentials that cause skeletal muscle to contract are ________
A) anulospiral endings B) extrafusal fibers C) intrafusal fibers D) gamma motor neurons E) alpha motor neurons