Unit 3b: DNA And The Central Dogma

25 Questions | By MrMackRH | Updated: Mar 21, 2022 | Attempts: 2239

Questions

Settings

Feedback

During the Quiz End of Quiz

Play as

Quiz Flashcard

Create your own Quiz

Unit 3b: DNA And The Central Dogma - Quiz

Questions and Answers

1.

Which of the following is a pair of complementary bases?
- A.
  
  Cytosine and cytosine
- B.
  
  Thymine and adenine
- C.
  
  Adenine and guanine
- D.
  
  Thymine and ctyosine
2.

In a DNA molecule, which molecules make up the sides of the double helix?
- A.
  
  Single nucleotides
- B.
  
  Pairs of nucleotides
- C.
  
  Joined sugars and phosphates
- D.
  
  Joined nitrogenous bases and phosphates
3.

If one strand of a DNA molecule reads TATCGAT, what does the complementary strand read?
- A.
  
  GCGATCG
- B.
  
  ATAGCTA
- C.
  
  CGCATCG
- D.
  
  ATAGCAT
4.

Which of the following statements is true?
- A.
  
  The sugar molecules in each nucleotide contain genetic information.
- B.
  
  Chromosomes are contained within genes, which are contained within DNA.
- C.
  
  When DNA replicates, each strand is used to create three new strands for division.
- D.
  
  Each organism of the same species has the same number of chromosomes in each cell.
5.

Which of the following statements about DNA and RNA is true?
- A.
  
  RNA is arranged in a double helix.
- B.
  
  The kinds of sugar in the nucleotides of DNA and RNA differ.
- C.
  
  DNA contains nitrogenous bases and phosphates, while RNA does not.
- D.
  
  DNA contains uracil, while RNA contains thymine.
6.

Which DNA sequence produced an mRNA strand with the sequence AGUACA?
- A.
  
  UCAUGU
- B.
  
  TCATGT
- C.
  
  GUACAG
- D.
  
  CAGTAC
7.

Transcription creates an mRNA molecule using DNA as a template. Where does this occur?
- A.
  
  Outside the cell
- B.
  
  In the cytoplasm
- C.
  
  In the nucleus
- D.
  
  In the ribosomes
8.

The sequence of a strand of mRNA is GCATUGUAA. If the sequence includes a stop codon, how many amino acids does this code for?
- A.
  
  2
- B.
  
  3
- C.
  
  6
- D.
  
  9
9.

What process is illustrated in the diagram?
- A.
  
  Replication
- B.
  
  Transcription
- C.
  
  Translation
- D.
  
  Mutation
10.

What type of mutation has occured in this piece of DNA? Original sequence: TACGCG Mutated sequence: TCGCGT
- A.
  
  Deletion
- B.
  
  Insertion
- C.
  
  Substitution
- D.
  
  Translocation
11.

What does the circle represent in this diagram of a nucleotide?
- A.
  
  Phosphate group
- B.
  
  Nitrogenous base
- C.
  
  Pentose sugar
- D.
  
  Adenine base
12.

Ribosomes are made of ___.
- A.
  
  RRNA and two protein subunits
- B.
  
  TRNA and mRNA
- C.
  
  RRNA and mRNA
- D.
  
  Protein and tRNA
13.

Watson and Crick, with the help of Rosalind Franklin, were the first to suggest that DNA is ___.
- A.
  
  A short molecule
- B.
  
  A protein molecule
- C.
  
  The shape of a double helix
- D.
  
  The genetic material
14.

The chromosome abnormality that occurs when part of one chromosome breaks off and is added to a different chromosome is ___.
- A.
  
  Deletion
- B.
  
  Nondisjunction
- C.
  
  Translocation
- D.
  
  Inversion
15.

Which of the following is least likely to happen as a result of a mutation in a person's skin cells?
- A.
  
  Skin cancer
- B.
  
  Reduced functioning of the skin cell
- C.
  
  No change in functioning of the skin cell
- D.
  
  The person's offspring have mutated skin cells
16.

Messenger RNA is formed in the process of ___.
- A.
  
  Transcription
- B.
  
  Translation
- C.
  
  Replication
- D.
  
  Mutation
17.

The process by which a DNA molecule is copied is ___.
- A.
  
  Transcription
- B.
  
  Translation
- C.
  
  Replication
- D.
  
  Mutation
18.

Each set of three nucleotides on mRNA coding for an amino acid is referred to as a(n) ___.
- A.
  
  Codon
- B.
  
  Anticodon
- C.
  
  Ribosome
- D.
  
  Base pair
19.

The nucleotide triplet on tRNA that complements a codon is called a(n) ___.
- A.
  
  Codon
- B.
  
  Anticodon
- C.
  
  Ribosome
- D.
  
  Base pair
20.

Adenine is to thymine as guanine is to ___.
- A.
  
  Uracil
- B.
  
  Cytosine
- C.
  
  Adenine
- D.
  
  Thymine
21.

DNA is to RNA as double strand is to ___.
- A.
  
  Single strand
- B.
  
  Ribose
- C.
  
  Triple strand
- D.
  
  Double helix
22.

Transcription is to mRNA as translation is to ___.
- A.
  
  Protein
- B.
  
  Codon
- C.
  
  TRNA
- D.
  
  DNA
23.

A(n) ___ involves the insertion or deletion of a single base in a DNA molecule.
- A.
  
  Frameshift mutation
- B.
  
  Point mutation
- C.
  
  Translocation
- D.
  
  Mutagen
24.

A(n) ___ involves thesubstitution of a single base in a DNA molecule.
- A.
  
  Frameshift mutation
- B.
  
  Point mutation
- C.
  
  Translocation
- D.
  
  Mutagen
25.

The term for a substance or energy form that can cause a mutation in DNA is ___.
- A.
  
  Frameshift mutation
- B.
  
  Point mutation
- C.
  
  Translocation
- D.
  
  Mutagen

Featured Quizzes

Quiz: Which Animal Can Be Your Fursona? Quiz: Which Animal Can Be Your Fursona?

BTS Quiz: Who Is Your BTS Soulmate? BTS Quiz: Who Is Your BTS Soulmate?

Who Am I? Quiz Who Am I? Quiz

Quiz: What Type Of Girl Are You? Quiz: What Type Of Girl Are You?

BTS Army Quiz BTS Army Quiz

Which Celebrity Do You Look Like Quiz! Which Celebrity Do You Look Like Quiz!

Unit 3b: DNA And The Central Dogma

Related Topics

Featured Quizzes

Popular Topics

Related Quizzes