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Xelga [282]
3 years ago
10

What structure do all vertebrae embryos contain

Biology
1 answer:
RoseWind [281]3 years ago
6 0
1) notochord
2) a nerve chord
3) slits in throat area
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This substitution score matrix called _____ is derived from protein families that are characterized by blocks of conserved amino
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Answer:

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Explanation:

A substitution matrix is a matrix used in bioinformatics (and also in computational biology) to determine/estimate the rate at which one character -which is specified by a nucleotide sequence in nucleic acid alignments or by one amino acid in protein alignments-, changed to another character during the course of the evolution. The BLOcks SUbstitution Matrix (popularly known as BLOSUM) is a substitution matrix used to score one amino acid for another in a protein alignment. The BLOSUM substitution matrix is particularly useful to compare evolutionarily conserved regions between protein sequences and thus score their alignments, where each entry is indicated by a similarity score between two amino acids.

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