Biochemistry Informatics - Sequence Alignment of Subunit 1 of Cytochrome c Oxida

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Biochemistry Informatics - Sequence Alignment of Subunit 1 of Cytochrome c Oxidase

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1. The protein entry associated with Q71KK5 is derived from _. A. sailfin lizard B. pig C. dinoflagellate According to the alignment, the amino acids at positions 275 (pig), 276 (sailfin lizard), and 302 (dinoflagellate) share which combination of properties? 2. These amino acids occur in same relative location in cytochrome c oxidase and are all aromatic. These amino acids occur in different locations in cytochrome c oxidase and are all nonpolar These amino acids occur in same relative location in cytochrome c oxidase and all have bulky side chains. These amino acids occur in different locations in cytochrome coxidase and are all aromatic. A. 8. C. D. According to the alignment, the amino acids at positions 36 (pig), 37 (sailfin lizard), and 60 (dinoflagellate) share which property? 3. A. They have nonpolar side chains. B. They have hydrogen-bonding side chains. C. They have acidic side chains. D. They have basic side chains.

Explanation / Answer

1. B. pig

2. D.

3. B.

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