Question 1

During translation,

Accepted Answer

A)  many mRNA molecules work with one tRNA molecule and one rRNA molecule to produce a protein. 
B)  one tRNA molecule works with paired mRNA molecules and many rRNA molecules to produce a protein. 
C)  strings of bonded tRNA molecules work with one mRNA molecule and one rRNA molecule to produce a protein. 
D)  one mRNA molecule works with several rRNA molecules and many tRNA molecules to produce a protein. 
A)  many mRNA molecules work with one tRNA molecule and one rRNA molecule to produce a protein. 
B)  one tRNA molecule works with paired mRNA molecules and many rRNA molecules to produce a protein. 
C)  strings of bonded tRNA molecules work with one mRNA molecule and one rRNA molecule to produce a protein. 
D)  one mRNA molecule works with several rRNA molecules and many tRNA molecules to produce a protein. D

Question 2

Which of the following is NOT a feature of the genetic code?

Accepted Answer

A)  Every individual has a different genetic code. 
B)  Each codon in the genetic code specifies only one amino acid. 
C)  The genetic code is redundant. 
D)  The same genetic code can be applied to virtually every organism on Earth. 
A)  Every individual has a different genetic code. 
B)  Each codon in the genetic code specifies only one amino acid. 
C)  The genetic code is redundant. 
D)  The same genetic code can be applied to virtually every organism on Earth. A

Question 3

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

Accepted Answer

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

Question 4

Identify if the following situations represent an increase or decrease in transcription or translation.
-RNA polymerase binds to the promoter more easily.

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 5

In bacteria,the antibiotic chloramphenicol prevents amino acids from bonding.The MOST likely reason that bacteria die from treatment with chloramphenicol is because the antibiotic

Accepted Answer

A)  inhibits transcription. 
B)  inhibits translation. 
C)  causes the wrong bases to be added to the growing mRNA strand. 
D)  causes the wrong amino acids to be bound to the tRNA strands. 
A)  inhibits transcription. 
B)  inhibits translation. 
C)  causes the wrong bases to be added to the growing mRNA strand. 
D)  causes the wrong amino acids to be bound to the tRNA strands.

Question 6

Which of the following does NOT take place in the nucleus?

Accepted Answer

A)  transcription 
B)  intron removal 
C)  DNA replication 
D)  translation 
A)  transcription 
B)  intron removal 
C)  DNA replication 
D)  translation

Question 7

Which RNA molecule brings new amino acids to the growing protein chain in translation?

Accepted Answer

A)  mRNA 
B)  tRNA 
C)  rRNA 
D)  dRNA 
A)  mRNA 
B)  tRNA 
C)  rRNA 
D)  dRNA

Question 8

Liver cells are different from heart cells of the same organism because these cell types

Accepted Answer

A)  have different genes. 
B)  express different genes. 
C)  have a different DNA sequence. 
D)  mutated from a stem cell to produce new cell types. 
A)  have different genes. 
B)  express different genes. 
C)  have a different DNA sequence. 
D)  mutated from a stem cell to produce new cell types.

Question 9

Each set of three bases in an mRNA molecule codes for one of 20 specific

Accepted Answer

A)  rRNA molecules. 
B)  nucleotides. 
C)  amino acids. 
D)  proteins. 
A)  rRNA molecules. 
B)  nucleotides. 
C)  amino acids. 
D)  proteins.

Question 10

Protein-coding genes specify the production of ________ as their immediate product.

Accepted Answer

A)  rRNA 
B)  tRNA 
C)  DNA 
D)  mRNA 
A)  rRNA 
B)  tRNA 
C)  DNA 
D)  mRNA

Question 11

Put the following steps in the process of translation in chronological order.
-Amino acids are covalently bonded.

Accepted Answer

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

Question 12

The order of the bases in DNA determines the order of the

Accepted Answer

A)  amino acids in DNA. 
B)  bases in a protein. 
C)  amino acids in mRNA. 
D)  bases in mRNA. 
A)  amino acids in DNA. 
B)  bases in a protein. 
C)  amino acids in mRNA. 
D)  bases in mRNA.

Question 13

Transforming plants with a human gene produces a protein that is identical to the original human protein.Explain how this evidence demonstrates that the genetic code is universal,and list another experiment that could be used to further support this theory.

Accepted Answer

If the genetic code was not universal,th

Question 14

Bacteria do not have a nucleus,and therefore do not use RNA splicing after translation.The initial mRNA that is produced is translated directly.An experiment transforms a bacterial cell and a eukaryotic cell with an identical gene (of identical length).Explain how the proteins from each cell would differ.

Accepted Answer

RNA splicing removes introns f

Question 15

What is the sequence of the codon to which the transfer RNA shown in the following figure would bind during translation?

Accepted Answer

A)  UCG 
B)  AGC 
C)  TCC 
D)  Serine 
A)  UCG 
B)  AGC 
C)  TCC 
D)  Serine

Question 16

The information in a gene is encoded by the

Accepted Answer

A)  introns of eukaryotic cells. 
B)  amino acids that make up the genes. 
C)  base sequences of the gene's DNA. 
D)  rRNA that transfers amino acids to ribosomes. 
A)  introns of eukaryotic cells. 
B)  amino acids that make up the genes. 
C)  base sequences of the gene's DNA. 
D)  rRNA that transfers amino acids to ribosomes.

Question 17

Match the descriptions to the molecules of transcription and translation.
-contains groups of nucleotides called codons

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 18

Match the steps of transcription and translation to the location they take place within a eukaryotic cell.
-pairing of codons and anticodons

Accepted Answer

A) nucleus 
B) cytoplasm 
A) nucleus 
B) cytoplasm

Question 19

A mutation occurs in the promoter of a protein-encoding gene.How might this mutation affect the production of the protein encoded by the gene?

Accepted Answer

A)  The mRNA made from this gene would exhibit the same mutation and, therefore, would not fold or function properly. 
B)  The protein made from the promoter would have a different amino acid sequence and, therefore, would not function properly. 
C)  The promoter might not be recognized by RNA polymerase, so the enzyme would be unable to attach to the promoter and start transcription. 
D)  The start codon would be missing from the mRNA made from this gene, so the mRNA could not be translated. 
A)  The mRNA made from this gene would exhibit the same mutation and, therefore, would not fold or function properly. 
B)  The protein made from the promoter would have a different amino acid sequence and, therefore, would not function properly. 
C)  The promoter might not be recognized by RNA polymerase, so the enzyme would be unable to attach to the promoter and start transcription. 
D)  The start codon would be missing from the mRNA made from this gene, so the mRNA could not be translated.

Question 20

A tRNA with the anticodon GGG would have the amino acid ________ bound to it.

Accepted Answer

The answer of A tRNA with the anticodon GGG would...

During translation,

Which of the following is NOT a feature of the genetic code?

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

Identify if the following situations represent an increase or decrease in transcription or translation. -RNA polymerase binds to the promoter more easily.

In bacteria,the antibiotic chloramphenicol prevents amino acids from bonding.The MOST likely reason that bacteria die from treatment with chloramphenicol is because the antibiotic

Which of the following does NOT take place in the nucleus?

Which RNA molecule brings new amino acids to the growing protein chain in translation?

Liver cells are different from heart cells of the same organism because these cell types

Each set of three bases in an mRNA molecule codes for one of 20 specific

Protein-coding genes specify the production of ________ as their immediate product.

Put the following steps in the process of translation in chronological order. -Amino acids are covalently bonded.

The order of the bases in DNA determines the order of the

Transforming plants with a human gene produces a protein that is identical to the original human protein.Explain how this evidence demonstrates that the genetic code is universal,and list another experiment that could be used to further support this theory.

What is the sequence of the codon to which the transfer RNA shown in the following figure would bind during translation?

The information in a gene is encoded by the

Match the descriptions to the molecules of transcription and translation. -contains groups of nucleotides called codons

Match the steps of transcription and translation to the location they take place within a eukaryotic cell. -pairing of codons and anticodons

A mutation occurs in the promoter of a protein-encoding gene.How might this mutation affect the production of the protein encoded by the gene?

A tRNA with the anticodon GGG would have the amino acid ________ bound to it.

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

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Exam 10: How Genes Work

During translation,

Which of the following is NOT a feature of the genetic code?

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

Identify if the following situations represent an increase or decrease in transcription or translation. -RNA polymerase binds to the promoter more easily.

In bacteria,the antibiotic chloramphenicol prevents amino acids from bonding.The MOST likely reason that bacteria die from treatment with chloramphenicol is because the antibiotic

Which of the following does NOT take place in the nucleus?

Which RNA molecule brings new amino acids to the growing protein chain in translation?

Liver cells are different from heart cells of the same organism because these cell types

Each set of three bases in an mRNA molecule codes for one of 20 specific

Protein-coding genes specify the production of ________ as their immediate product.

Put the following steps in the process of translation in chronological order. -Amino acids are covalently bonded.

The order of the bases in DNA determines the order of the

Transforming plants with a human gene produces a protein that is identical to the original human protein.Explain how this evidence demonstrates that the genetic code is universal,and list another experiment that could be used to further support this theory.

What is the sequence of the codon to which the transfer RNA shown in the following figure would bind during translation?

The information in a gene is encoded by the

Match the descriptions to the molecules of transcription and translation. -contains groups of nucleotides called codons

Match the steps of transcription and translation to the location they take place within a eukaryotic cell. -pairing of codons and anticodons

A mutation occurs in the promoter of a protein-encoding gene.How might this mutation affect the production of the protein encoded by the gene?

A tRNA with the anticodon GGG would have the amino acid ________ bound to it.

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