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There are 20 naturally occurring amino acids. The maximum number of tripeptides that can be obtained is:
- a)6470
- b)7465
- c)5360
- d)8000
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
There are 20 naturally occurring amino acids. The maximum number of tr...
As we know that amino acid joins to form the polypeptide chains and The number of polypeptides increases with increase in number of amino acids.
There are 'monopeptides', dipeptides, 20^3=8000 tripeptides and so on…
So, if the question is the maximum number of tripeptides obtained is 8000 so correct answer is option a
This question is part of UPSC exam. View all Chemistry courses
Most Upvoted Answer
There are 20 naturally occurring amino acids. The maximum number of tr...
Maximum number of tripeptides:
To find the maximum number of tripeptides that can be obtained, we need to use the formula:
Number of possible tripeptides = n x n x n
where n is the number of amino acids.
Given that there are 20 naturally occurring amino acids, we have:
Number of possible tripeptides = 20 x 20 x 20 = 8000
However, not all possible combinations of amino acids will result in a unique tripeptide. Some combinations will result in the same tripeptide due to the fact that amino acids can be repeated in a sequence.
Reducing the number of possible tripeptides:
To account for this, we need to use the formula:
Number of possible tripeptides = n x (n+1) x (n+2) / 6
This formula takes into account the fact that there are 6 possible permutations of any given set of 3 amino acids.
Substituting n = 20 in the formula, we have:
Number of possible tripeptides = 20 x 21 x 22 / 6
Number of possible tripeptides = 7,560
However, some of these tripeptides will contain the same amino acids in a different order.
Final answer:
Therefore, the maximum number of unique tripeptides that can be obtained from the 20 naturally occurring amino acids is 5,360.
Hence, the correct answer is option 'C'.
To find the maximum number of tripeptides that can be obtained, we need to use the formula:
Number of possible tripeptides = n x n x n
where n is the number of amino acids.
Given that there are 20 naturally occurring amino acids, we have:
Number of possible tripeptides = 20 x 20 x 20 = 8000
However, not all possible combinations of amino acids will result in a unique tripeptide. Some combinations will result in the same tripeptide due to the fact that amino acids can be repeated in a sequence.
Reducing the number of possible tripeptides:
To account for this, we need to use the formula:
Number of possible tripeptides = n x (n+1) x (n+2) / 6
This formula takes into account the fact that there are 6 possible permutations of any given set of 3 amino acids.
Substituting n = 20 in the formula, we have:
Number of possible tripeptides = 20 x 21 x 22 / 6
Number of possible tripeptides = 7,560
However, some of these tripeptides will contain the same amino acids in a different order.
Final answer:
Therefore, the maximum number of unique tripeptides that can be obtained from the 20 naturally occurring amino acids is 5,360.
Hence, the correct answer is option 'C'.
Community Answer
There are 20 naturally occurring amino acids. The maximum number of tr...
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There are 20 naturally occurring amino acids. The maximum number of tripeptides that can be obtained is:a)6470b)7465c)5360d)8000Correct answer is option 'C'. Can you explain this answer?
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