There Are 61 MRNA Codons That Specify an Amino Acid

question 30

Multiple Choice

There are 61 mRNA codons that specify an amino acid, but only 45 tRNAs. This is best explained by the fact that ________.

• A) some tRNAs have anticodons that recognize 4 or more different codons
• B) the rules for base pairing between the third base of a codon and tRNA are flexible
• C) many codons are never used, so the tRNAs that recognize them are dispensable
• D) the DNA codes for all 61 tRNAs, but some are then destroyed
• E) competitive exclusion forces some tRNAs to be destroyed by nucleases

Discuss the impact of gender bias in educational settings.

Examine the concept of gender-role transcendence and its implications.

Understand the challenges faced by gender-atypical individuals and the concept of gender fluidity.

Comprehend the psychological and social aspects of androgyny.

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