Which of the following is the monomer unit of DNA?

A. nucleotides
B. fatty acids
C. amino acids
D. steroid rings
E. carbohydrate rings


Answer: A

Biology & Microbiology

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Inflammation of the kidneys is called

a. nephritis. b. glomerulonephritis. c. pyelitis. d. pyelonephritis. e. cystitis

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Human blood has a pH of about 7.4. If the pH should change to 7.0, this would indicate 

A. a decrease in pH. B. an increase in acidity. C. a change in electrolytes. D. All the choices are correct.

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__________ is the process by which a single-stranded DNA is synthesized using RNA as the template

a. transcription b. reverse transcription c. replication d. transformation e. None of the above

Biology & Microbiology