A polysaccharide that is composed of modified glucose subunits and that is found in the exoskeletons of insects and crustaceans is known as:
A. glycogen
B. starch
C. amylose
D. chitin
Answer: D
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In genetic mapping, a map unit is defined as:
A. the distance between two genes. B. 1 millimeter. C. 1 micrometer. D. the distance between genes resulting in 1% recombination. E. the distance between genes resulting in 50% recombination.
The high mortality rate for patients with MDR-TB and XDR-TB is due in part because of the severe side effects from the daily multidrug regimen and the stimulation of a strong cell-mediated immune response.
Answer the following statement true (T) or false (F)
The liver is associated with all EXCEPT which of
the following functions? a. formation of urea b. formation of bile c. detoxification of poisons d. secretion of bicarbonate ions e. hormone inactivation
Color deficiency is more common in men than in women because
A) crossing over occurs only in women. B) the gene is located on the Y chromosome. C) men have only one X chromosome. D) women cannot inherit the gene from their fathers. E) men get more copies of the gene than do women.