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Exam 10: How Genes Work

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Question 51

Multiple Choice

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Determine whether each molecule plays a role in transcription,translation,or both. -DNA

A) transcription
B) translation
C) both transcription and translation

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Question 52

Multiple Choice

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During transcription,

A) the DNA strands replicate, producing four mRNA molecules.
B) each strand in the DNA molecule directs the production of an mRNA molecule.
C) a template strand of DNA directs the production of an mRNA molecule.
D) a template strand of DNA directs the production of a tRNA molecule.

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Question 53

Multiple Choice

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Match the descriptions to the molecules of transcription and translation. -double-stranded molecule that ultimately provides a template for protein synthesis

A human gene put into a plant cell will

As transcription begins,RNA polymerase binds to a segment of a gene called a(n)

Identify if the following situations represent an increase or decrease in transcription or translation. -More ribosomes are produced.

Put the following steps in the process of translation in chronological order. -Recognition occurs between a codon and an anticodon.

In the genetic code,a codon is ________ bases long for ________.

Put the following steps in the process of translation in chronological order. -An amino acid chain is released.

Gene expression is

Put the following steps in the process of transcription in chronological order. -RNA splicing

Match the steps of transcription and translation to the location they take place within a eukaryotic cell. -construction of an mRNA molecule

Put the following steps in the process of transcription in chronological order. -RNA polymerase binds to the promoter region.

A gene in a region of DNA that is wound more tightly around proteins in the nucleus will be

Which of the following is true of transcription?

In humans the tRNA with the anticodon AAU carries the amino acid leucine.In plants,this tRNA would

Match the descriptions to the molecules of transcription and translation. -molecule that carries amino acids to ribosomes

Identify if the following situations represent an increase or decrease in transcription or translation. -The mRNA molecules are broken down quickly in the cytoplasm.