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Which of the following does not describe BLOSUM matrices?

(a) It stands for BLOcks SUbstitution Matrix

(b) It was developed by Henikoff and Henikoff

(c) The year it was developed was 1992

(d) These matrices are logarithmic identity values

This question was addressed to me in homework.

This question is from Local Sequence Alignment topic in portion Sequence Alignment of Bioinformatics

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The correct option is (d) These matrices are logarithmic identity values

The best I can explain: These matrices are actual percentage identity values. Or simply, they depend on similarity. Blosum 62 means there is 62 % similarity.

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