Question 1

Which of the following is true of transcription?

Accepted Answer

A)   It destroys the DNA template.
B)   The DNA molecule must unwind.
C)   Base pairing is unimportant.
D)   The end result is a protein.

Question 2

A human gene put into a plant cell will

Accepted Answer

A)   not produce a protein.
B)   produce a plant protein.
C)   produce the same protein produced in a human cell.
D)   produce a hybrid protein consisting of both human and plant components.

Question 3

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

Accepted Answer

A)   transcribed more often than other genes.
B)   transcribed less often than other genes.
C)   transcribed equally as often as any other gene.
D)   digested and recycled to produce new DNA.

Question 4

Gene expression is

Accepted Answer

A)   nonvariable for cells; it is the same for all cells of the same type.
B)   highly variable; it changes for many different reasons throughout the life of a cell.
C)   set by internal factors early in the life cycle of a cell and remains the same from that point forward.
D)   set by external factors early in the life cycle of a cell and remains the same from that point forward.

Question 5

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

Accepted Answer

A)  first
B)  second
C)  third
D)  fourth

Question 6

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

Accepted Answer

A)  first
B)  second
C)  third
D)  fourth
E)  fifth

Question 7

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

Accepted Answer

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

Question 8

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

Accepted Answer

A)  Transcription is up-regulated.
B)  Transcription is down-regulated.
C)  Translation is up-regulated.
D)  Translation is down-regulated.

Question 9

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

Accepted Answer

A)  mRNA
B)  tRNA
C)  RNA polymerase
D)  rRNA
E)  amino acidsF) DNA

Question 10

During transcription,

Accepted Answer

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.

Question 11

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

Accepted Answer

A)  first
B)  second
C)  third
D)  fourth

Question 12

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

Accepted Answer

A)   not have an anticodon.
B)   not carry an amino acid.
C)   carry the same amino acid.
D)   carry a different amino acid.

Question 13

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

Accepted Answer

A)   two; all cell types
B)   three; all cell types
C)   three; bacterial cells and two bases long for plant cells
D)   three; plant cells and three bases long for bacterial cells

Question 14

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

Accepted Answer

A)  Transcription is up-regulated.
B)  Transcription is down-regulated.
C)  Translation is up-regulated.
D)  Translation is down-regulated.

Question 15

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

Accepted Answer

A)  nucleus
B)  cytoplasm

Question 16

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

Accepted Answer

A)  first
B)  second
C)  third
D)  fourth
E)  fifth

Question 17

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

Accepted Answer

A)  mRNA
B)  tRNA
C)  RNA polymerase
D)  rRNA
E)  amino acidsF) DNA

Question 18

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

Accepted Answer

A)   promoter.
B)   intron.
C)   start codon.
D)   anticodon.

Exam 10: How Genes Work

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Which of the following is true of transcription?

Correct Answer
verified

Gene expression is

Correct Answer
verified

A human gene put into a plant cell will

Correct Answer
verified

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

Correct Answer
verified

During transcription,

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Exam 10: How Genes Work

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is true of transcription?

Correct AnswerverifiedShow Answer

Gene expression is

Correct AnswerverifiedShow Answer

A human gene put into a plant cell will

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

During transcription,

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

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

Correct Answer
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