A base change resulting in a codon specifying an amino acid which is different than in the wild-type polypeptide

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#Question id: 4155

#XL - T Zoology

Of all the possible triplet codons, __ do not code for an amino acid.

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#Question id: 3480

#XL - T Zoology

Which of the following statements about learning and behavior is correct?

A) Operant conditioning involves associating a behavior with a reward or punishment.

B) Associative learning involves linking one stimulus with another.

C) Behavior can be modified by learning, but some apparent learning is due to maturation.

D) Imprinting is a learned behavior with an innate component acquired during a sensitive period.

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#Question id: 12160

#XL - S Microbiology

Which of these was not derived from an ancestral alpha proteobacterium?

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#Question id: 27352

#XL - T Zoology

Scientists have adapted CRISPR to turn it into a biotechnology tool for _ DNA.

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#Question id: 3886

#XL - Q Biochemistry

Which one of the following statements about the reverse transcriptases of retroviruses and the RNA replicases of other single-stranded RNA viruses, such as R17 and influenza virus, is correct?