Question 1

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

Question 2

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

Question 3

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

Question 4

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 
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 5

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

Question 6

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. 
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 7

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

Accepted Answer

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

Question 8

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. 
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 9

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

Question 10

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

Question 11

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. 
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 12

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

Accepted Answer

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

Question 13

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. 
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 14

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

Question 15

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

Question 16

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 
A) nucleus 
B) cytoplasm

Question 17

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. 
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 18

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

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

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.

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

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

Which of the following is true of transcription?

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

During transcription,

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

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

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

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

Gene expression is

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

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

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

A human gene put into a plant cell will

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

The Nature of Science

Evaluating Scientific Claims

Chemistry of Life

Life Is Cellular

How Cells Work

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

What Genes Are

Evidence for Evolution

Mechanisms of Evolution

Adaptation and Species

The History of Life

Bacteria and Archaea

Plants, Fungi, and Protists

Animals and Human Evolution

General Principles of Ecology

Growth of Populations

Communities of Organisms

Ecosystems

Filters

Exam 10: How Genes Work

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

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.

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

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

Which of the following is true of transcription?

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

During transcription,

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

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

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

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

Gene expression is

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

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

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

A human gene put into a plant cell will

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

The Nature of Science

Evaluating Scientific Claims

Chemistry of Life

Life Is Cellular

How Cells Work

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

What Genes Are

Evidence for Evolution

Mechanisms of Evolution

Adaptation and Species

The History of Life

Bacteria and Archaea

Plants, Fungi, and Protists

Animals and Human Evolution

General Principles of Ecology

Growth of Populations

Communities of Organisms

Ecosystems

Filters

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