Which of these identifies the part of the DNA segment labeled X? A) Nucleotide B) Phosphate group C) Hydrogen bond D) Deoxyribose
Understand the Problem
The question is asking to identify the part of the DNA segment that is labeled 'X' in the diagram, with multiple-choice options related to components of DNA.
Answer
Hydrogen bond
The part of the DNA segment labeled X is a Hydrogen bond.
Answer for screen readers
The part of the DNA segment labeled X is a Hydrogen bond.
More Information
The hydrogen bonds occur between the base pairs in the DNA molecule, forming the 'rungs' of the DNA double helix ladder.
Tips
A common mistake is confusing the hydrogen bonds (which connect base pairs) with the bonds that form the backbone of the DNA structure.
Sources
- Base Pair - National Human Genome Research Institute - genome.gov
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