COPY: Quiz 8

Transplanting the nucleus of an epithelial cell into an egg cell lacking genetic information leads to the formation of

another epithelial cell.

a dead cell.

a normally developing embryo. (correct)

a hybrid cell that has characteristics of both embryonic cells and epithelial cells.

Excess amounts of the amino acid tryptophan result in downregulation of the expression of the enzymes required for its synthesis due to

the repressor binding to the operator. (correct)

inactivation of the repressor protein.

the inability of the repressor to bind to the operator.

the inactivation of RNA polymerase.

Mutations in which of the following elements would abrogate RNA polymerase’s ability to activate gene expression?

RNA transcript

promoter (correct)

transcription termination site

aminoacyl tRNA synthetase

The figure below depicts which of the following mechanisms that cells use to maintain their identity through cell divisions?

positive feedback Signup and view all the answers

Which of the following statements is correct regarding ATP driven pumps?

Eukaryotic cells contain a variety of ATP driven pumps including Na+/K+ ATPase, Ca++ ATPase and H+ ATPase. Signup and view all the answers

MicroRNAs block the expression of a specific gene product by binding to the _ and inhibiting _.

mRNA; translation Signup and view all the answers

A housekeeping gene is a gene whose cellular function is

important for processes found in all cell types. Signup and view all the answers

In the cell, enhancer sequence functions are limited in their range of action by the formation of ___________ that hold specific genes and enhancers in close proximity.

COPY: Quiz 8

Questions and Answers

Transplanting the nucleus of an epithelial cell into an egg cell lacking genetic information leads to the formation of

Excess amounts of the amino acid tryptophan result in downregulation of the expression of the enzymes required for its synthesis due to

Mutations in which of the following elements would abrogate RNA polymerase’s ability to activate gene expression?

The figure below depicts which of the following mechanisms that cells use to maintain their identity through cell divisions?

Which of the following statements is correct regarding ATP driven pumps?

MicroRNAs block the expression of a specific gene product by binding to the _ and inhibiting _.

A housekeeping gene is a gene whose cellular function is

In the cell, enhancer sequence functions are limited in their range of action by the formation of ___________ that hold specific genes and enhancers in close proximity.

The regulatory control of a gene product after transcription is called

Noncoding RNAs include all of the following EXCEPT

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Quiz 8

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COPY: Quiz 8

Questions and Answers

Transplanting the nucleus of an epithelial cell into an egg cell lacking genetic information leads to the formation of

Excess amounts of the amino acid tryptophan result in downregulation of the expression of the enzymes required for its synthesis due to

Mutations in which of the following elements would abrogate RNA polymerase’s ability to activate gene expression?

The figure below depicts which of the following mechanisms that cells use to maintain their identity through cell divisions?

Which of the following statements is correct regarding ATP driven pumps?

MicroRNAs block the expression of a specific gene product by binding to the ___________ and inhibiting ___________.

A housekeeping gene is a gene whose cellular function is

In the cell, enhancer sequence functions are limited in their range of action by the formation of ___________ that hold specific genes and enhancers in close proximity.

The regulatory control of a gene product after transcription is called

Noncoding RNAs include all of the following EXCEPT

More Quizzes Like This

Cloning Techniques Quiz

Molecular Cloning and Protein Therapeutics Quiz

Dolly Cloning and Cloning Techniques Quiz

Quiz 8

MicroRNAs block the expression of a specific gene product by binding to the _ and inhibiting _.