Nucleotides have a phosphate group attached at which carbon atom of the sugar?
A. 3'
B. 5'
C. 2'
D. 1'
Answer: B
Biology & Microbiology
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A common source of cholera infection is
A. acid rain. B. unpasteurized milk. C. fecal contaminated material, especially water. D. boiled water. E. acid rain AND boiled water.
Biology & Microbiology
The name "human" is an example of a
a. common name. b. scientific name. c. binomial. d. polynomial.
Biology & Microbiology
The only cytoplasmic organelles in animal cells aside from nuclei that contain DNA are ____________________. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
Which of the following best defines what occurs during transcription?
a. DNA is used to make a polypeptide. b. A polypeptide is used to make RNA. c. RNA is used to make a DNA strand. d. DNA is used to make a complementary RNA copy
Biology & Microbiology