What happens in cells (and what do cells need)?

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Question 12
Easy

Which statement about the structure of DNA is correct?

DNA is composed of a single strand of nucleotides.

Complementary base pairs in DNA are joined by hydrogen bonds.

The DNA backbone is made up of alternating phosphate and nitrogenous base groups.

DNA nucleotides contain the sugar ribose.

What happens in cells (and what do cells need)? Questions

  1. GCSE
  2. /Biology
  3. /What happens in cells (and what do cells need)?