The following diagram represents a short section of DNA - HSC - SSCE Biology - Question 12 - 2022 - Paper 1
Question 12
The following diagram represents a short section of DNA.
What are the components labelled X, Y and Z?
A. Deoxyribose sugar
B. Deoxyribose sugar
C. Phosphate
D. Pho... show full transcript
Worked Solution & Example Answer:The following diagram represents a short section of DNA - HSC - SSCE Biology - Question 12 - 2022 - Paper 1
Step 1
What are the components labelled X?
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Answer
X represents a Deoxyribose sugar. In DNA, each nucleotide consists of a phosphate group, a deoxyribose sugar, and a nitrogenous base.
Step 2
What are the components labelled Y?
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Answer
Y also represents a Phosphate group. DNA is structured with alternating phosphate groups and deoxyribose sugars along the backbone.
Step 3
What are the components labelled Z?
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Answer
Z is Thymine, which is one of the four nitrogenous bases found in DNA, pairing with Adenine.
