Multiple choice

Identify the incorrectly matched pair?

  1. Adenosine: Adenine and ribose sugar

  2. Guanidine: Guanine and ribose sugar

  3. Nucleotide: Nitrogen base, sugar and phosphate

  4. Nucleoside: Pentose sugar and nitrogen base

  5. Both 2 and 4
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Guanine linked to ribose is called guanosine. Guanidine is a strongly alkaline crystalline compound formed by the oxidation of guanine.

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