Some enzymes build new molecules, and others metabolize or break them down. For example, digestive enzymes such as peptidases and lipases break down proteins and lipids, respectively. Genetic information is encoded in the DNA for proteins, many of which are enzymes. This means that a harmful or lethal genetic mutation often results in a malformed enzyme that cannot function. If a person suffers a mutation that results in malformed peptidase, what problem would you expect them to would have?
a. unable to swallow medication properly
b. high body temperature
c. unable to digest protein
d. unable to metabolize fats
c. unable to digest protein
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Four of the five answers listed below are
characteristic of sclerenchyma cells. Select the EXCEPTION.
a. sclereid b. found in seed coats c. remain alive after maturity d. gritty texture of pear cells e. used in manufacture of paper, cloth, and rope
Quinolones are a group of broad-spectrum antibiotics that specifically target topoisomerase. Explain how this contributes to cell death in bacteria. Would you expect these drugs to kill hyperthermophilic prokaryotes too? Why or why not?
What will be an ideal response?
Progymnosperms had two derived features, which are:a
megaphylls and woody tissue. b. microphylls and woody tissue.
c. megaphylls and herbaceous tissue. d. microphylls and herbaceous tissue. e. both megaphylls and microphylls and herbaceous tissue.
Acute pulmonary edema:
A) commonly results from right-sided heart failure. B) results in excess elimination of carbon dioxide. C) is characterized by progressively worsening dyspnea. D) impairs oxygen diffusion into the pulmonary capillaries