Regulation of transcription and translation Quiz
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5 questions, one answer each
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1. Which hormone is a steroid that stimulates transcription?
- A. Insulin
- B. Oestrogen
- C. Adrenaline
- D. Glucagon
2. Increased methylation of DNA usually
- A. inhibits transcription
- B. stimulates translation
- C. changes the base sequence
- D. unwinds histones
3. Decreased histone acetylation causes
- A. looser DNA, so more transcription
- B. tighter DNA binding, so less transcription
- C. mRNA breakdown
- D. new alleles
4. In RNAi, what binds to the target mRNA?
- A. A ribosome
- B. A histone
- C. A methyl group
- D. A short RNA strand by complementary base pairing
5. In a twin study, identical twins show 70% concordance and non-identical 20%. This suggests
- A. no genetic influence
- B. only environmental influence
- C. a genetic influence
- D. that concordance is meaningless