Question 1

Put the following RNA molecules in order of size, from largest to smallest (where largest = 1 and smallest = 3)
-microRNA

Accepted Answer

A)  1 
B)  2 
C)  3 
A)  1 
B)  2 
C)  3 C

Question 2

Put the following RNA molecules in order of size, from largest to smallest (where largest = 1 and smallest = 3)
-long noncoding RNA

Accepted Answer

A)  1 
B)  2 
C)  3 
A)  1 
B)  2 
C)  3 B

Question 3

Which of the DNA sequences is complementary to 5' CGTAAGTA 3'

Accepted Answer

A)  5' TACTTACG 3' 
B)  5' GCATTCAT 3' 
C)  5' ATGAATGC 3' 
D)  5' CGTAAGTA 3' 
A)  5' TACTTACG 3' 
B)  5' GCATTCAT 3' 
C)  5' ATGAATGC 3' 
D)  5' CGTAAGTA 3' A

Question 4

Select one factor that contributes to the higher stability of DNA compared to RNA

Accepted Answer

A)  DNA has one hydroxyl group 
B)  DNA is single-stranded 
C)  Ribonucleases degrade DNA 
D)  DNA contains guanine 
A)  DNA has one hydroxyl group 
B)  DNA is single-stranded 
C)  Ribonucleases degrade DNA 
D)  DNA contains guanine

Question 5

Which of the following processes depends on complementary base pairing?

Accepted Answer

A)  Protein translation 
B)  RNA transcription 
C)  Hybridization 
D)  All of the options given are correct 
E)  g., a full genome. Complementary interactions between the probe and the target sequence allow biologists to find the sequence of interest. 
A)  Protein translation 
B)  RNA transcription 
C)  Hybridization 
D)  All of the options given are correct 
E)  g., a full genome. Complementary interactions between the probe and the target sequence allow biologists to find the sequence of interest.

Question 6

Which of the following statements about RNA are true? Please select all that apply.

Accepted Answer

A)  RNA has the same sequence as the coding DNA strand 
B)  RNA has the complementary sequence to the sense DNA strand 
C)  RNA has the same sequence as the template DNA strand 
D)  RNA has the complementary sequence to the antisense DNA strand 
A)  RNA has the same sequence as the coding DNA strand 
B)  RNA has the complementary sequence to the sense DNA strand 
C)  RNA has the same sequence as the template DNA strand 
D)  RNA has the complementary sequence to the antisense DNA strand

Question 7

At which of the following stages does regulation of gene expression not occur?

Accepted Answer

A)  Replication 
B)  Transcription 
C)  Translation 
D)  Splicing 
A)  Replication 
B)  Transcription 
C)  Translation 
D)  Splicing

Question 8

Which of the following happens during electrophoresis?

Accepted Answer

A)  DNA moves away from the negative pole because of the positive charge on deoxyribose. 
B)  DNA moves towards the positive pole because of the negative charge on phosphate. 
C)  DNA moves away from the positive pole because of the negative charge on phosphate. 
D)  DNA moves towards the negative pole because of the positive charge on deoxyribose. 
A)  DNA moves away from the negative pole because of the positive charge on deoxyribose. 
B)  DNA moves towards the positive pole because of the negative charge on phosphate. 
C)  DNA moves away from the positive pole because of the negative charge on phosphate. 
D)  DNA moves towards the negative pole because of the positive charge on deoxyribose.

Question 9

Which of the following transcription elements is a protein?

Accepted Answer

A)  Transcription factor 
B)  Transcriptional start site 
C)  Coding region 
D)  Core promoter 
A)  Transcription factor 
B)  Transcriptional start site 
C)  Coding region 
D)  Core promoter

Question 10

Match the missing words in the following phrase. The central [A] refers to the process by which DNA is [B] into [C], which is then [D] into a polypeptide.

Accepted Answer

The answer of Match the missing words in the following...

Question 11

A greater proportion of the human genome than bacterial genomes is transcribed.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following techniques would be appropriate for determining the transcription profile of a cell? Please select all that apply.

Accepted Answer

A)  Microarray analysis 
B)  RNA-seq 
C)  Electrophoresis 
D)  Translation 
A)  Microarray analysis 
B)  RNA-seq 
C)  Electrophoresis 
D)  Translation

Question 13

DNA contains thymine where RNA contains uracil. What are some of the evolutionary advantages for DNA having thymine rather than uracil? Please select all that apply.

Accepted Answer

A)  Thymine is more limited in its base-pairing than uracil 
B)  Cytosine can be readily converted to thymine 
C)  Uracil is recognized by DNA repair systems 
D)  Thymine base-pairs using three hydrogen bonds 
A)  Thymine is more limited in its base-pairing than uracil 
B)  Cytosine can be readily converted to thymine 
C)  Uracil is recognized by DNA repair systems 
D)  Thymine base-pairs using three hydrogen bonds

Question 14

Which of the following is not a component of DNA?

Accepted Answer

A)  Ribose 
B)  Deoxyribose 
C)  Nucleotide bases 
D)  Phosphate 
A)  Ribose 
B)  Deoxyribose 
C)  Nucleotide bases 
D)  Phosphate

Question 15

Which of the following statements is true?

Accepted Answer

A)  An open reading frame is a length of DNA sequence containing multiple start and stop codons 
B)  The coding region is removed from mRNA before translation 
C)  Open reading frames carry the same information as introns 
D)  Introns are removed from mRNA during splicing 
A)  An open reading frame is a length of DNA sequence containing multiple start and stop codons 
B)  The coding region is removed from mRNA before translation 
C)  Open reading frames carry the same information as introns 
D)  Introns are removed from mRNA during splicing

Question 16

Which of the following statements about proteins and polypeptides is true?

Accepted Answer

A)  All of the options given are correct 
B)  Proteins are comprised of polypeptides 
C)  Polypeptides are produced by transcription whereas proteins are produced by translation. 
D)  Proteins are the building blocks of polypeptides. 
A)  All of the options given are correct 
B)  Proteins are comprised of polypeptides 
C)  Polypeptides are produced by transcription whereas proteins are produced by translation. 
D)  Proteins are the building blocks of polypeptides.

Question 17

DNA is polar, with the 5' end referring to a carbon atom on a deoxyribose subunit that is attached to a hydroxyl group.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following factors influence the final shape of a polypeptide?

Accepted Answer

A)  The amino acid sequence 
B)  The gene sequence 
C)  The mRNA sequence 
D)  All of the options given are correct 
A)  The amino acid sequence 
B)  The gene sequence 
C)  The mRNA sequence 
D)  All of the options given are correct

Question 19

Which of the following characteristics are true of all amino acids? Please select all that apply.

Accepted Answer

A)  They are polar 
B)  They are hydrophobic 
C)  They contain sulfur 
D)  They contain nitrogen 
A)  They are polar 
B)  They are hydrophobic 
C)  They contain sulfur 
D)  They contain nitrogen

Question 20

Rank the DNA sequences according to the order in which they would denature as temperature is increased. i.e., the sequence that would be denatured at the lowest temperature would be ranked 1. For simplicity, only a single strand of each double helix is shown.
-GACTGCATGCTTCG

Accepted Answer

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

Put the following RNA molecules in order of size, from largest to smallest (where largest = 1 and smallest = 3) -microRNA

Put the following RNA molecules in order of size, from largest to smallest (where largest = 1 and smallest = 3) -long noncoding RNA

Which of the DNA sequences is complementary to 5' CGTAAGTA 3'

Select one factor that contributes to the higher stability of DNA compared to RNA

Which of the following processes depends on complementary base pairing?

Which of the following statements about RNA are true? Please select all that apply.

At which of the following stages does regulation of gene expression not occur?

Which of the following happens during electrophoresis?

Which of the following transcription elements is a protein?

Match the missing words in the following phrase. The central [A] refers to the process by which DNA is [B] into [C], which is then [D] into a polypeptide.

A greater proportion of the human genome than bacterial genomes is transcribed.

Which of the following techniques would be appropriate for determining the transcription profile of a cell? Please select all that apply.

DNA contains thymine where RNA contains uracil. What are some of the evolutionary advantages for DNA having thymine rather than uracil? Please select all that apply.

Which of the following is not a component of DNA?

Which of the following statements is true?

Which of the following statements about proteins and polypeptides is true?

DNA is polar, with the 5' end referring to a carbon atom on a deoxyribose subunit that is attached to a hydroxyl group.

Which of the following factors influence the final shape of a polypeptide?

Which of the following characteristics are true of all amino acids? Please select all that apply.

Rank the DNA sequences according to the order in which they would denature as temperature is increased. i.e., the sequence that would be denatured at the lowest temperature would be ranked 1. For simplicity, only a single strand of each double helix is shown. -GACTGCATGCTTCG

Darwins Finches: Evolution, Genomes, and Genes

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

Translation: From Nucleic Acids to Amino Acids

Networks of Gene Regulation

Genetic Analysis of Cellular Processes

The Genetics of Populations

Metagenomes: Genome Analysis of Communities

Filters

Exam 2: The Central Dogma of Molecular Biology

Put the following RNA molecules in order of size, from largest to smallest (where largest = 1 and smallest = 3) -microRNA

Put the following RNA molecules in order of size, from largest to smallest (where largest = 1 and smallest = 3) -long noncoding RNA

Which of the DNA sequences is complementary to 5' CGTAAGTA 3'

Select one factor that contributes to the higher stability of DNA compared to RNA

Which of the following processes depends on complementary base pairing?

Which of the following statements about RNA are true? Please select all that apply.

At which of the following stages does regulation of gene expression not occur?

Which of the following happens during electrophoresis?

Which of the following transcription elements is a protein?

Match the missing words in the following phrase. The central [A] refers to the process by which DNA is [B] into [C], which is then [D] into a polypeptide.

A greater proportion of the human genome than bacterial genomes is transcribed.

Which of the following techniques would be appropriate for determining the transcription profile of a cell? Please select all that apply.

DNA contains thymine where RNA contains uracil. What are some of the evolutionary advantages for DNA having thymine rather than uracil? Please select all that apply.

Which of the following is not a component of DNA?

Which of the following statements is true?

Which of the following statements about proteins and polypeptides is true?

DNA is polar, with the 5' end referring to a carbon atom on a deoxyribose subunit that is attached to a hydroxyl group.

Which of the following factors influence the final shape of a polypeptide?

Which of the following characteristics are true of all amino acids? Please select all that apply.

Rank the DNA sequences according to the order in which they would denature as temperature is increased. i.e., the sequence that would be denatured at the lowest temperature would be ranked 1. For simplicity, only a single strand of each double helix is shown. -GACTGCATGCTTCG

Darwins Finches: Evolution, Genomes, and Genes

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

Translation: From Nucleic Acids to Amino Acids

Networks of Gene Regulation

Genetic Analysis of Cellular Processes

The Genetics of Populations

Metagenomes: Genome Analysis of Communities

Filters