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The complementary strand of DNA for the following single stranded DNA sequence: 5' - A - T - C- A - T - G - C-3' is:
- a)5' - A - T - C- A - T - G - C-3'
- b)5' - T - A - G - T - A - C- G -3'
- c)5' - G - C- A - T - G - A - T -3'
- d)5' - C- G - T - A - C- T - A -3'
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
The complementary strand of DNA for the following single stranded DNA ...
Correct Answer :- C
Explanation : In DNA, Adenine (A) pairs with Thymine (T) and Guanine (G) pairs with Cytosine (C).
Hence, on replication of DNA in M phase, complementary nucleotides for each base pair will be added as follows:
A - T
T - A
G - C
C - G
Since replication occurs in 5'-3' direction, so the complementary strand will be formed in 3'-5' direction.
Most Upvoted Answer
The complementary strand of DNA for the following single stranded DNA ...
H bond between base pairs are adenine-thyamine, cytosine-gaunine. and strands attached oppositely-
5'-3'/3'-5'
5'-3'/3'-5'
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The complementary strand of DNA for the following single stranded DNA ...
Complementary Strand of DNA
The complementary strand of DNA is the strand that forms base pairs with the original DNA strand. In DNA, adenine (A) always pairs with thymine (T), and cytosine (C) always pairs with guanine (G). Therefore, to determine the complementary strand of DNA, we need to substitute the corresponding nucleotides.
Given DNA sequence:
5' - A - T - C - A - T - G - C - 3'
Identifying the complementary nucleotides:
- Adenine (A) pairs with thymine (T)
- Thymine (T) pairs with adenine (A)
- Cytosine (C) pairs with guanine (G)
- Guanine (G) pairs with cytosine (C)
Complementary Strand:
Using the above pairing rules, we can determine the complementary strand of the given DNA sequence:
5' - A - T - C - A - T - G - C - 3'
3' - T - A - G - T - A - C - G - 5'
Explanation of the Correct Answer:
The correct answer is option 'C': 5' - G - C - A - T - G - A - T - 3'.
This option correctly pairs adenine (A) with thymine (T) and cytosine (C) with guanine (G) according to the established base pairing rules. The complementary strand is formed by substituting each nucleotide with its complementary base pair.
Explanation of Incorrect Options:
- Option 'A' (5' - A - T - C - A - T - G - C - 3') is the same as the given DNA sequence and does not represent the complementary strand.
- Option 'B' (5' - T - A - G - T - A - C - G - 3') pair adenine (A) with adenine (A) and thymine (T) with guanine (G), which is incorrect.
- Option 'D' (5' - C - G - T - A - C - T - A - 3') pairs adenine (A) with cytosine (C) and thymine (T) with guanine (G), which is also incorrect.
Therefore, the correct answer is option 'C' (5' - G - C - A - T - G - A - T - 3') as it represents the complementary strand of the given DNA sequence.
The complementary strand of DNA is the strand that forms base pairs with the original DNA strand. In DNA, adenine (A) always pairs with thymine (T), and cytosine (C) always pairs with guanine (G). Therefore, to determine the complementary strand of DNA, we need to substitute the corresponding nucleotides.
Given DNA sequence:
5' - A - T - C - A - T - G - C - 3'
Identifying the complementary nucleotides:
- Adenine (A) pairs with thymine (T)
- Thymine (T) pairs with adenine (A)
- Cytosine (C) pairs with guanine (G)
- Guanine (G) pairs with cytosine (C)
Complementary Strand:
Using the above pairing rules, we can determine the complementary strand of the given DNA sequence:
5' - A - T - C - A - T - G - C - 3'
3' - T - A - G - T - A - C - G - 5'
Explanation of the Correct Answer:
The correct answer is option 'C': 5' - G - C - A - T - G - A - T - 3'.
This option correctly pairs adenine (A) with thymine (T) and cytosine (C) with guanine (G) according to the established base pairing rules. The complementary strand is formed by substituting each nucleotide with its complementary base pair.
Explanation of Incorrect Options:
- Option 'A' (5' - A - T - C - A - T - G - C - 3') is the same as the given DNA sequence and does not represent the complementary strand.
- Option 'B' (5' - T - A - G - T - A - C - G - 3') pair adenine (A) with adenine (A) and thymine (T) with guanine (G), which is incorrect.
- Option 'D' (5' - C - G - T - A - C - T - A - 3') pairs adenine (A) with cytosine (C) and thymine (T) with guanine (G), which is also incorrect.
Therefore, the correct answer is option 'C' (5' - G - C - A - T - G - A - T - 3') as it represents the complementary strand of the given DNA sequence.
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The complementary strand of DNA for the following single stranded DNA sequence: 5' - A - T - C- A - T - G - C-3' is:a)5' - A - T - C- A - T - G - C-3'b)5' - T - A - G - T - A - C- G -3'c)5' - G - C- A - T - G - A - T -3'd)5' - C- G - T - A - C- T - A -3'Correct answer is option 'C'. Can you explain this answer?
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