Question 1

Put the following events in translation in order.
-Peptide bond forms

Accepted Answer

A)  1 (first) 
B)  2 
C)  3 
D)  4 
A)  1 (first) 
B)  2 
C)  3 
D)  4 C

Question 2

What is the term used for a mutation that overcomes the effect of another mutation?

Accepted Answer

A)  Nonsense mutation 
B)  Nonsense suppressor 
C)  Suppressor mutation 
D)  Amber mutation 
A)  Nonsense mutation 
B)  Nonsense suppressor 
C)  Suppressor mutation 
D)  Amber mutation C

Question 3

There are 4 different bases and 64 possible codons in the genome, 20 different amino acids, and a large but variable number of tRNA genes (400-500 in mammals). How many aminoacyl synthetase genes are there?

Accepted Answer

A)  4 
B)  64 
C)  20 
D)  The same number as there are tRNA genes 
A)  4 
B)  64 
C)  20 
D)  The same number as there are tRNA genes C

Question 4

What is a BLOSUM matrix used for?

Accepted Answer

A)  To assess the probability that amino acid changes in a protein occurred by chance 
B)  To show all the amino acid changes that have occurred over evolutionary time 
C)  The test the probability that a base change will result in a change to an amino acid 
D)  To show the probability of a base change resulting in no change to an amino acid 
A)  To assess the probability that amino acid changes in a protein occurred by chance 
B)  To show all the amino acid changes that have occurred over evolutionary time 
C)  The test the probability that a base change will result in a change to an amino acid 
D)  To show the probability of a base change resulting in no change to an amino acid

Question 5

Which of the following statements about transcription and translation are true? Please select all that apply.

Accepted Answer

A)  Translation in bacteria begins before mRNA transcription is completed 
B)  rRNA is involved in translation 
C)  Transcription is more conserved between species than translation 
D)  mRNA is transported out of the nucleus in eukaryotes 
A)  Translation in bacteria begins before mRNA transcription is completed 
B)  rRNA is involved in translation 
C)  Transcription is more conserved between species than translation 
D)  mRNA is transported out of the nucleus in eukaryotes

Question 6

Fill in the blank. Descent from a common ancestor is defined as ______

Accepted Answer

The answer of Fill in the blank. Descent from a...

Question 7

Iron response proteins (IRPs) are involved in regulating iron levels in the cell through translational regulation. Which of the following statements regarding IRP regulation is untrue?

Accepted Answer

A)  IRP binds to iron 
B)  Ferritin is produced when there is too much iron in the cell 
C)  IRP binding prevents transferrin translation 
D)  Transferrin is produced when there is too little iron in the cell 
E)  IRP binds to 3' and 5' UTRs 
A)  IRP binds to iron 
B)  Ferritin is produced when there is too much iron in the cell 
C)  IRP binding prevents transferrin translation 
D)  Transferrin is produced when there is too little iron in the cell 
E)  IRP binds to 3' and 5' UTRs

Question 8

Match the levels of protein structure to their descriptions.
-Regional folding

Accepted Answer

A)  Primary structure 
B)  Secondary structure 
C)  Tertiary structure 
D)  Quaternary structure 
A)  Primary structure 
B)  Secondary structure 
C)  Tertiary structure 
D)  Quaternary structure

Question 9

Fill in the blank. _____ enzymes carry out post-translational phosphorylation of peptides.

Accepted Answer

The answer of Fill in the blank. _____ enzymes carry...

Question 10

Match the levels of protein structure to their descriptions.
-Three-dimensional structure of complete polypeptide

Accepted Answer

A)  Primary structure 
B)  Secondary structure 
C)  Tertiary structure 
D)  Quaternary structure 
A)  Primary structure 
B)  Secondary structure 
C)  Tertiary structure 
D)  Quaternary structure

Question 11

The regulation that determines the anterior and posterior ends of a developing Drosophila embryo is primarily ______

Accepted Answer

A)  maternal vs paternal translation 
B)  transcriptional 
C)  temporal 
D)  spatial 
A)  maternal vs paternal translation 
B)  transcriptional 
C)  temporal 
D)  spatial

Question 12

Which of the following is not a post-translational modification?

Accepted Answer

A)  Ubiquitylation 
B)  Methylation 
C)  Proteolytic cleavage 
D)  Addition of a 5' cap 
A)  Ubiquitylation 
B)  Methylation 
C)  Proteolytic cleavage 
D)  Addition of a 5' cap

Question 13

Match the site in the ribosome to its function.
-Uncharged tRNA leaves the ribosome

Accepted Answer

A)  (
A)  site 
B)  (P) site 
C)  (
E)  site 
A)  (
A)  site 
B)  (P) site 
C)  (
E)  site

Question 14

Fill in the blank. Position 3 in the codon is the least likely to influence which amino acid is encoded and has the weakest base-pair interaction; i.e., the position can _______

Accepted Answer

The answer of Fill in the blank. Position 3 in...

Question 15

Match the levels of protein structure to their descriptions.
-Peptide amino acid sequence

Accepted Answer

A)  Primary structure 
B)  Secondary structure 
C)  Tertiary structure 
D)  Quaternary structure 
A)  Primary structure 
B)  Secondary structure 
C)  Tertiary structure 
D)  Quaternary structure

Question 16

The majority of genes in mammals encode proteins

Accepted Answer

A) True 
 B)False

Question 17

Put the following events in translation in order.
-tRNA leaves the ribosome4

Accepted Answer

A)  1 (first) 
B)  2 
C)  3 
D)  4 
A)  1 (first) 
B)  2 
C)  3 
D)  4

Question 18

Put the following events in translation in order.
-tRNA interacts with mRNA

Accepted Answer

A)  1 (first) 
B)  2 
C)  3 
D)  4 
A)  1 (first) 
B)  2 
C)  3 
D)  4

Question 19

What is an evolutionarily accepted mutation?

Accepted Answer

A)  A mutation that is very rarely observed 
B)  A mutation that leads to a change in the amino acid code 
C)  A mutation that leads to replacement of an amino acid with a biochemically similar amino acid 
D)  A mutation that does not have adverse impact on the function of a protein 
A)  A mutation that is very rarely observed 
B)  A mutation that leads to a change in the amino acid code 
C)  A mutation that leads to replacement of an amino acid with a biochemically similar amino acid 
D)  A mutation that does not have adverse impact on the function of a protein

Question 20

Match the site in the ribosome to its function.
-tRNA holds the growing amino acid chain

Accepted Answer

A)  (
A)  site 
B)  (P) site 
C)  (
E)  site 
A)  (
A)  site 
B)  (P) site 
C)  (
E)  site

Put the following events in translation in order. -Peptide bond forms

What is the term used for a mutation that overcomes the effect of another mutation?

There are 4 different bases and 64 possible codons in the genome, 20 different amino acids, and a large but variable number of tRNA genes (400-500 in mammals). How many aminoacyl synthetase genes are there?

What is a BLOSUM matrix used for?

Which of the following statements about transcription and translation are true? Please select all that apply.

Fill in the blank. Descent from a common ancestor is defined as ______

Iron response proteins (IRPs) are involved in regulating iron levels in the cell through translational regulation. Which of the following statements regarding IRP regulation is untrue?

Match the levels of protein structure to their descriptions. -Regional folding

Fill in the blank. _____ enzymes carry out post-translational phosphorylation of peptides.

Match the levels of protein structure to their descriptions. -Three-dimensional structure of complete polypeptide

The regulation that determines the anterior and posterior ends of a developing Drosophila embryo is primarily ______

Which of the following is not a post-translational modification?

Match the site in the ribosome to its function. -Uncharged tRNA leaves the ribosome

Fill in the blank. Position 3 in the codon is the least likely to influence which amino acid is encoded and has the weakest base-pair interaction; i.e., the position can _______

Match the levels of protein structure to their descriptions. -Peptide amino acid sequence

The majority of genes in mammals encode proteins

Put the following events in translation in order. -tRNA leaves the ribosome4

Put the following events in translation in order. -tRNA interacts with mRNA

What is an evolutionarily accepted mutation?

Match the site in the ribosome to its function. -tRNA holds the growing amino acid chain

Darwins Finches: Evolution, Genomes, and Genes

The Central Dogma of Molecular Biology

Genome Structure, Organization, and Variation

Descent With Modification: Dna Replication and Mutation

The Inheritance of Single Gene Traits

The Cellular Basis for Mendelian Genetics

X-Linked Genes and Sex Chromosomes

The Inheritance of Multiple Genes

The Locations of Genes on Chromosomes: Linkage and Genetic Maps

Human Genetic Mapping, Genome Wide Association Studies, and Complex Traits

Exchange and Evolution

Transcription: Reading and Expressing Genes

Networks of Gene Regulation

Genetic Analysis of Cellular Processes

The Genetics of Populations

Metagenomes: Genome Analysis of Communities

Filters

Exam 13: Translation: From Nucleic Acids to Amino Acids

Put the following events in translation in order. -Peptide bond forms

What is the term used for a mutation that overcomes the effect of another mutation?

There are 4 different bases and 64 possible codons in the genome, 20 different amino acids, and a large but variable number of tRNA genes (400-500 in mammals). How many aminoacyl synthetase genes are there?

What is a BLOSUM matrix used for?

Which of the following statements about transcription and translation are true? Please select all that apply.

Fill in the blank. Descent from a common ancestor is defined as ______

Iron response proteins (IRPs) are involved in regulating iron levels in the cell through translational regulation. Which of the following statements regarding IRP regulation is untrue?

Match the levels of protein structure to their descriptions. -Regional folding

Fill in the blank. _____ enzymes carry out post-translational phosphorylation of peptides.

Match the levels of protein structure to their descriptions. -Three-dimensional structure of complete polypeptide

The regulation that determines the anterior and posterior ends of a developing Drosophila embryo is primarily ______

Which of the following is not a post-translational modification?

Match the site in the ribosome to its function. -Uncharged tRNA leaves the ribosome

Fill in the blank. Position 3 in the codon is the least likely to influence which amino acid is encoded and has the weakest base-pair interaction; i.e., the position can _______

Match the levels of protein structure to their descriptions. -Peptide amino acid sequence

The majority of genes in mammals encode proteins

Put the following events in translation in order. -tRNA leaves the ribosome4

Put the following events in translation in order. -tRNA interacts with mRNA

What is an evolutionarily accepted mutation?

Match the site in the ribosome to its function. -tRNA holds the growing amino acid chain

Darwins Finches: Evolution, Genomes, and Genes

The Central Dogma of Molecular Biology

Genome Structure, Organization, and Variation

Descent With Modification: Dna Replication and Mutation

The Inheritance of Single Gene Traits

The Cellular Basis for Mendelian Genetics

X-Linked Genes and Sex Chromosomes

The Inheritance of Multiple Genes

The Locations of Genes on Chromosomes: Linkage and Genetic Maps

Human Genetic Mapping, Genome Wide Association Studies, and Complex Traits

Exchange and Evolution

Transcription: Reading and Expressing Genes

Networks of Gene Regulation

Genetic Analysis of Cellular Processes

The Genetics of Populations

Metagenomes: Genome Analysis of Communities

Filters