The conversion of amino acids to carbohydrates is an example of
A) amination.
B) gluconeogenesis.
C) substrate-level phosphorylation.
D) beta-oxidation.
E) electron transport.
B
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Which of the following is the most effective treatment for acquired immune deficiency syndrome (AIDS)?
A. vaccine to coat proteins B. reverse transcriptase inhibitors such as AZT C. protease inhibitors D. a combination of drugs directed at both reverse transcriptase and the HIV protease E. There is no effective treatment because the virus is always integrated into the host DNA.
Animals have enzymes that break apart starch molecules but not cellulose, despite the fact that both are made up of glucose subunits. Which enzyme characteristic best explains this?
A) Enzymes are not permanently changed by the reactions they promote. B) All enzymes are proteins. C) Enzymes are highly specific. D) Enzyme activity is regulated. E) Enzymes usually speed up chemical reactions.
In an area that has been "set up" for a heart attack by plaque formation, what is the most direct final trigger likely to be?
A) a sudden drop in LDL levels B) blood clot formation in the swollen area C) thinning of the blood D) a sudden rise in HDL levels E) eating a fatty meal
Zygospores are used to resist harsh conditions.
Answer the following statement true (T) or false (F)