1) HIV does not contain a) RNA b) DNA c) Enzymes 2) T helper cells have what on their surface? a) Glycoprotein 120 b) GP 120 c) CD4 detector cells d) CD4 receptor cells 3) Reverse transcriptase works on what? a) All viruses b) Retroviruses c) Changing DNA into mRNA 4) What is the enzyme which inserts viral DNA into host DNA? a) Reverse transcriptase b) Integrase c) Insertase 5) Producing viral proteins is what kills T helper cells a) True b) False 6) What do viral proteins form? a) New viruses b) More viral proteins c) Viral enzymes 7) What part of protein synthesis happens in the nucleus? a) Transcription b) Translation c) Neither 8) What is the enzyme which unwinds DNA? a) RNA polymerase b) DNA polymerase c) DNA helicase 9) mRNA consists of the following a) Bases of AUTG b) Bases of AUCG c) Nucleotides with bases AUGC d) Nucleotides containing bases ACGT 10) Transcribe the following DNA sequence ACGGATAAGC a) UCGGAUCAAGU b) UGCATAGUUCT c) UGCCUAUUCG 11) RNA polymerase has what purpose? a) Bind the bases together in mRNA b) Bind the sugar and phosphate of nucleotides together c) Bind the sugar and base together of nucleotides 12) Translation happens on what organelle? a) Cytoplasm b) Ribosomes c) Nucleus 13) tRNA contains an amino acid and what other part? a) anticodon b) codon c) triplet codon 14) The anticodon of tRNA matches up with what? a) the codon on the mRNA b) the codon on the DNA 15) What bond forms between the amino acids? a) Ester b) Phosphodiester c) Peptide 16) What is the start codon? a) Methionine b) Guanine c) Thymine 17) mRNA is synthesised in what process? a) Translation b) Semi conservative replication c) Transcription

A2 Word wall quiz transcription translation HIV

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