Multiple Choice (1 pt each). Pick the best answer: 1. Which of the following statements is/are false about mRNAs? a) b) c) d) e) The AUG is always downstream of +1 The ORF can contain introns. The poly-A tail is in the 3’UTR. The stop codon is always upstream of the terminator More than one of a-d are false
2. Immunoprecipitation is based on a similar principle as: a) b) c) d) e) SDS-PAGE Ion exchange chromatography Size exclusion chromatography Affinity chromatography PCR
3. How is a Western blot different from a Southern Blot, as we covered in class? a) b) c) d) e) f) A Western blot uses a gel. A Western blot uses a membrane. A Western blot uses an antibody. A Western blot uses chemilluminescence for detection More than one of a-d are different. None of a-d are different.
4. Which of the following statements about experiments we discussed testing for sigma subunit dissociation from RNA polymerase during transcription is/are false? a) Experiments we discussed using...