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6. The Sugar in RNA is called

  • There isn't a sugar
  • deoxyribose
  • Ribose
  • Glucose

7. What process occurs at the ribosome?

  • nothing
  • translation
  • converting DNA into mRNA
  • transcription

8. What happens to the DNA molecule after Transcription?

  • it becomes RNA
  • nothing
  • it returns to its normal form ready for the next transcription process
  • it dies

9. which molecule contains the genetic code?

  • tRNA
  • rRNA
  • mRNA
  • DNA

10. A DNA strand with the sequence AACGTAACG is transcribed. What is the sequence of the mRNA molecule synthesized?

  • UUGCAUUGC
  • AACGUAACG
  • TTGCATTGC
  • AACGTAACG

11. An antibiotic interferes with the ability of the ribosome to move. What affect would exposure to this chemical have on a bacterial cell?

  • the protein synthesized will be shorter than norma
  • the protein synthesized will be longer than normal
  • no proteins will be produced
  • protein synthesis will be affected

12. how many strands does DNA have?

  • 2
  • 4
  • 1
  • 3

13. the amino acid sequence of a polypeptide chain comprises the .... structure of the protein.

  • tertiary
  • quaternary
  • primary
  • secondary

14. Transcription occurs along a .... template forming an mRNA in .... direction.

  • 5' to 3' ; 5' to 3'
  • 3' to 5' ; 3' to 5'
  • 3' to 5' ; 5' to 3'
  • 5' to 3' ; 3' to 5'

15. which of these statements is false:

  • degenerate codons specify the same amino acids
  • The genetic code is overlapping
  • the genetic code is triplet
  • the genetic code in universal