Which of the following additions have been made to principles of the central dogma of biology?

A. DNA information cannot be converted into RNA information.
B. RNA can be used to regulate gene function.
C. Protein information can be converted into DNA information.
D. DNA codes for proteins.


Answer: B

Biology & Microbiology

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A positive Biuret test indicates the presence of

A. proteins B. carbohydrates C. fats D. nucleic acids

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An otherwise normal yeast cell with a diploid number of 32 chromosomes does not undergo

replication prior to M phase. What would be the result after mitosis and cytokinesis, assuming that all processes after S phase occur properly?

What will be an ideal response?

Biology & Microbiology

The reactions in glycolysis are reversible; however, the conversion of pyruvate into acetyl CoA is irreversible in animal cells. Can fatty acids be converted back into carbohydrates?

A. Yes, because they enter metabolism in the Krebs cycle. B. No, because they enter metabolism as acetyl CoA. C. No, because they enter metabolism as pyruvate. D. Yes, because they enter metabolism as acetyl CoA. E. Yes, because they enter metabolism as pyruvate.

Biology & Microbiology

Ventilation by a relaxed individual is indicated

by a. A. b. B. c. C. d. D. e. E.

Biology & Microbiology