DNA, RNA, Proteins Quiz
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What shape is the RNA molecule?
A. Single helix
B. Double helix
C. Linear
D. Circular
Which base is found in RNA but not in DNA?
A. Adenine
B. Thymine
C. Guanine
D. Uracil
Which of the following is NOT part of a DNA nucleotide?
A. Deoxyribose
B. Phosphate
C. Ribose
D. Nitrogen base
What is a codon?
A. A sequence of three nitrogen bases in DNA that specifies an amino acid
B. A sequence of three nitrogen bases in tRNA that corresponds to an amino acid
C. A sequence of three nitrogen bases in mRNA that specifies an amino acid
D. A sequence of three nitrogen bases in rRNA that forms part of the ribosome
How many strands does RNA have?
A. One
B. Two
C. Three
D. Four
How many strands does DNA have?
A. One
B. Two
C. Three
D. Four
What is the function of DNA?
A. DNA creates cellular energy.
B. DNA stores the genetic information and instructions for the cell.
C. DNA is responsible for the digestion of food.
D. DNA transports oxygen in the blood.
What happens when genes are turned on?
A. The DNA is replicated
B. The DNA makes proteins
C. The DNA has mutations
D. The DNA is transcribed into RNA but not translated into proteins
Which of the following is NOT a type of point mutation?
A. Insertion
B. Deletion
C. Substitution
D. Duplication
Which base is not found in DNA?
A. Adenine
B. Thymine
C. Guanine
D. Uracil
What are the regions of DNA that code for proteins called?
A. Exons
B. Introns
C. Genes
D. Traits
What shape is the DNA molecule?
A. Single helix
B. Double helix
C. Linear
D. Circular
What are genes?
A. Sections of DNA that do not code for anything
B. Sections of DNA that code for traits
C. The entire DNA sequence of an organism
What is the function of RNA?
A. RNA stores genetic information.
B. RNA uses the information from DNA to make proteins.
C. RNA is responsible for transporting oxygen.
D. RNA creates cellular energy.
Which sugar is found in RNA nucleotides?
A. Deoxyribose
B. Glucose
C. Ribose
D. Fructose
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