Question #1 DNA and RNA nucleotides differ in their ___. Write in ALL that apply. a) Phosphate groups b) Nitrogenous bases c) Sugars d) Functions.

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Presentation transcript:

Question #1 DNA and RNA nucleotides differ in their ___. Write in ALL that apply. a) Phosphate groups b) Nitrogenous bases c) Sugars d) Functions

Question #2 Which of the following will NOT be a DNA sequence for valine? a) CAT b) GTA c) CAC d) CAG

Question #3 Which of the following are NOT complementary? a) AGT and TCA b) GCA and CGU c) TCA and AGU d) GAT and CTU

Question #4 Which of the following is FALSE about amino acids? a) All proteins start with the same one. b) They are held together in a protein by peptide bonds. c) Your body makes all of them. d) There is no amino acid for the sequence ATC.

Question #5 How many tRNAs are needed for the following mRNA sequence: AUG CAC GGA UAA? a) One b) Two c) Three d) Four

Question #6 Which of the following is part of a charged tRNA? Choose ALL that apply. a) mG cap b) Amino acid c) Anticodon d) Peptide bond e) Poly-A tail

Question #7 The DNA sequence GAA codes for which amino acid? a) Aspartate b) Glutamate c) Glutamine d) Histidine e) Leucine

Question #8 Which of the following mutations results from one or more bases being replaced? Choose ALL that apply. a) Nonsense b) Frameshift c) Missense d) Silent

Question #9 Where does RNA polymerase attach to DNA? a) Start codon b) Beginning of gene c) AUG d) Ribosome A site

Question #10 Which of the following is true of mutations? Write in ALL that apply. a) They can occur during transcription b) They are mistakes in DNA sequences c) They can be removed through RNA processing d) They are called introns e) They result in the formation of incorrect proteins

Draw the charged tRNAs that exist for the following mRNA sequences: UGG, CAG, UGA Question #11

Give 2 reason how the tRNA anticodon ensures that the correct protein is made. a. b. Question #12