The diagram shows part of the structure of DNA - Leaving Cert Biology - Question 4 - 2020
Question 4
The diagram shows part of the structure of DNA.
(a) What do the letters DNA stand for?
(b) Identify molecule G.
(c) The structure labelled J is a sub-unit of DNA.... show full transcript
Worked Solution & Example Answer:The diagram shows part of the structure of DNA - Leaving Cert Biology - Question 4 - 2020
Step 1
What do the letters DNA stand for?
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Answer
DNA stands for Deoxyribonucleic Acid.
Step 2
Identify molecule G.
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Answer
Molecule G is Guanine.
Step 3
The structure labelled J is a sub-unit of DNA. Identify the structure labelled J.
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Answer
The structure labelled J is a Nucleotide.
Step 4
Name the part labelled K.
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Answer
Part K is the Base pair or complementary bases.
Step 5
What type of bonding occurs at L?
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Answer
The type of bonding that occurs at L is Hydrogen bonding.
Step 6
State one structural difference between DNA and RNA, other than the number of strands.
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One structural difference is that DNA has the sugar deoxyribose and RNA has the sugar ribose.
Step 7
Give one non-nuclear location of DNA in cells.
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Answer
Non-nuclear locations of DNA in cells include Chloroplasts or Mitochondria.
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