BIOL 102 Lecture Notes - Lecture 20: Archibald Garrod, Edward Tatum, George Beadle
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QUESTION 3
What is the purpose of chromatin-remodeling enzymes in human cells?
The enzymes control the rate of translation of an mRNA transcript | |||||||||||||||||||||||||||||||||||||||||||||||
The enzymes add phosphate or methyl groups to histone tails | |||||||||||||||||||||||||||||||||||||||||||||||
The enzymes slide nucleosomes farther apart or closer to each other | |||||||||||||||||||||||||||||||||||||||||||||||
The enzymes send damaged proteins to the proteasome for degradation | |||||||||||||||||||||||||||||||||||||||||||||||
The enzymes cause DNA looping to occur QUESTION 10 If you can drink milk as an adult, it means that you have inherited a mutation in the an enhancer for your lactase gene (the gene that encodes the enzyme you need to break down lactose). Predict the effect of this mutation:
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Which of the following is the best characterization of the reading frame in gene expression?
Question 5 options:
The reading frame of a gene is set by the first three nucleotides in a gene's promoter. | |||||||||||||||||||||
Every gene has three possible reading frames, but all three specify the same protein. | |||||||||||||||||||||
Every gene has three possible reading frames, and thus encodes three different proteins. | |||||||||||||||||||||
The reading frame of a gene is set by the first three nucleotides at the 5' end of the mRNA. | |||||||||||||||||||||
The reading frame of a gene is set by the first AUG codon near the 5' end of the mRNA. Which of the following is/are NOT involved in initiating transcription in eukaryotes? Question 9 options:
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