Organisms suffering from malnutrition may have a diet deficient in
A) one or more essential nutrients.
B) bile and acids needed for digestion.
C) digestive enzymes.
D) water.
Answer: A
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The lac operon of E. coli is ________ when the repressor is bound to lactose.
a. active b. inactive c. cloned d. unregulated
When Avery and McCarty were attempting to identify the substance involved transferring hereditary material, they tested the ability of a bacterial S cell extract to transform R cells after different components of the extract were degraded by enzymes. Which treatment inhibited the ability of the S cell extract to transform R cells?
a. DNAse degrading enzymes b. RNAse degrading enzymes c. protein degrading enzymes d. lipid degrading enzymes e. amino acid degrading enzymes
Damage to the _______ is likely to have the most direct effect on the ability to store memories
a. cerebellum b. reticular formation c. medulla oblongata d. hypothalamus e. hippocampus
Rickettsia species are unable to use glucose as a carbon and energy source, but can use glutamate or succinate.
Answer the following statement true (T) or false (F)