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15. Gene Expression

Introduction to Translation

15. Gene Expression

Introduction to Translation

Guided videos.

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Introduction to Translation

Jason Amores Sumpter

Ribosome Subunits

Jason Amores Sumpter

Ribosomal tRNA Binding Sites

Jason Amores Sumpter

Practice this topic

Multiple Choice

What type of bonding is responsible for maintaining the shape of the tRNA molecule shown in the figure?

Has a video solution.

Multiple Choice

The tRNA shown in the figure has its 3′ end projecting beyond its 5′ end. Which of the following processes will occur at this 3′ end?

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Multiple Choice

A ribosome has three tRNA binding sites. Which answer matches the tRNA binding site with the correct function:

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Multiple Choice

Which of the following statements concerning ribosomes are true?

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Multiple Choice

The direction of ribosome movement during translation is in the ______________.

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Multiple Choice

Many antibiotics work by blocking the function of ribosomes. Therefore, these antibiotics will:

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Multiple Choice

During translation in a eukaryotic cell, __________.

Multiple Choice

Cells are able to distinguish proteins destined for secretion or for segregation to specific intracellular compartments from those that will remain in the cytoplasm because __________.

Textbook Question

Which component is not directly involved in translation? a. GTP b. DNA c. tRNA d. ribosomes

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Textbook Question

Translation results in the production of . a. RNA; b. DNA; c. protein; d. individual amino acids; e. transfer RNA molecules

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Textbook Question

Within a cell, the amount of protein made using a given mRNA molecule depends partly on a. the degree of DNA methylation. b. the rate at which the mRNA is degraded. c. the number of introns present in the mRNA. d. the types of ribosomes present in the cytoplasm.

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Textbook Question

Controlling the rates of transcription and translation is important in bacteria to avoid collisions between ribosomes and RNA polymerases. Calculate what the maximum rate of translation by a ribosome in a bacterial cell would have to be, in units of amino acids per second, so as not to overtake an RNA polymerase that is synthesizing mRNA at a rate of 60 nucleotides per second. How long would it take for this bacterial cell to translate an mRNA containing 1800 codons?

Has a video solution.

Textbook Question

Controlling the rates of transcription and translation is important in bacteria to avoid collisions between ribosomes and RNA polymerases. Calculate what the maximum rate of translation by a ribosome in a bacterial cell would have to be, in units of amino acids per second, so as not to overtake an RNA polymerase that is synthesizing mRNA at a rate of 60 nucleotides per second. How long would it take for this bacterial cell to translate an mRNA containing 1800 codons?

Has a video solution.

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