DNA and Protein Synthesis Practice Test
1. Which of the following statements is true?
a. DNA is a double
hedron b. RNA contains
thymine c. RNA is double stranded
2. Three base sequences found in mRNA that code
for one amino acid are
a. nucleotides b. codons c. anticodons d. phosphates
3. The order in which amino acids are put
together to build a protein is determined by
a. the order of nitrogen bases found in DNA
b. how the phosphate groups and deoxyribose is
bonded together in DNA
c. the order of five carbon sugars in RNA
4. Which base is NOT found in DNA?
a. thymine b. uracil c. adenine d. cytosine
5. Which molecule does a ribosome actually
“read” during translation to synthesize a protein?
a. mRNA b. tRNA c. rRNA d. DNA
6. Which molecule delivers the appropriate
amino acid during translation?
a. mRNA b. tRNA c. rRNA d. DNA
7. Point mutations, mutations affecting one
nucleotide,
a. are always fatal b. always have a negative affect on the
organism
c. are always harmless d. are most often harmless
8. True or false. Skin cells in your body contain different DNA than muscle cells
in your body, since these cells have different functions.
9. Mutations that change the chromosome number
in a cell from 22 to 21 would be considered a(n)
a. point mutation b. insertion c. translation d. chromosome mutation
10. The process in which two identical copies of
DNA are made is called
a. translation b. transcription c. protein synthesis d. replication
Short
Answer
11. Describe the process of transcription. Why does it need to occur? Click
here for answer.
12. Describe the process of translation. Click here for answer.
13. Decode the following DNA sequence: AGGCCTTAC
Click here for answer.
14. Decode the following RNA sequence: UUUACGAUC
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Answers:
