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Name: _____________________ Date: ____________ Class:_________
DNA Translation Quiz
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1. What materials make up each nucleotide in a DNA molecule?
a. amino acid, base, and protein
c. mRNA, tRNA, and a ribosome
b. sugar, phosphate, and base
d. chromosomes and genes
____ 2. DNA is made of subunits called what?
a. deoxyribonucleic acids
c. proteins
b. nucleotides
d. traits
____ 3.
Pairs of DNA nitrogenous bases are joined together by
a. ionic bonds.
c. covalent bonds.
b. helix bonds.
d. hydrogen bonds.
____ 4.
Where is the genetic information found in DNA stored?
a. the sides of the “ladder”
c. the rungs of the “ladder”
b. both the sides and rungs of the
d. neither the sides nor the rungs of
“ladder”
the “ladder”
____ 5. The mRNA strand complementary to the DNA sequence TAGTCA is
a. ATCAGT.
c. GTAGAT.
b. AUGAGU.
d. AUCAGU.
____ 6. Nitrogenous bases are held to the sides of the DNA ladder by
a. helix bonds.
c. hydrogen bonds.
b. covalent bonds.
d. ionic bonds.
____ 7. The first step in making a protein is
a. amino acids linked together.
b. transfer RNA matching mRNA.
c. RNA copying DNA.
d. mRNA going to ribosome.
____ 8. The code for a given amino acid consists of how many bases?
a. two
c. one
b. three
d. four
____ 9. To be copied, a DNA molecule splits
a. along the phosphates.
b. along the sides.
c. across the top.
d. down the middle.
____ 10. What letters represent the four bases found in DNA?
a. E, Y, A, O
c. A, T, G, C
b. W, X, Y, Z
d. A, B, C, D
____ 11. Nucleotides are made of a sugar, a phosphate, and a
a. protein.
c. ribosome.
b. gene.
d. base.
____ 12. What does DNA look like?
a. a twisted ladder
b. links in a chain
c. a ball
d. a straight line
____ 13. The “rungs” of the DNA ladder are
a. a pair of nitrogenous bases.
b. a pair of phosphates.
c. a set of proteins.
d. a pair of sugars.
____ 14. Each set of three bases is a code for
a. a specific cell.
b. a specific amino acid.
c. a specific chromosome.
d. a specific ribosome.
____ 15. The sides of the DNA “ladder” are made of
a. guanine and thymine.
c. helixes and twists.
b. adenine and cytosine.
d. sugar and phosphate.
DNA Translation Quiz Answers
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B
B
D
C
D
B
C
B
D
C
D
A
A
B
D