BIOL 112 Chapter Notes - Chapter 3: Okazaki Fragments, Semiconservative Replication, Dna Ligase
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2.)
a.) Are viruses that infect Archaea different from other bacterial viruses?
Yes, they do not have protein coats because of the extreme conditions where they live. | ||||||||||||
No, they consist of nucleic acid and protein just like other bacterial viruses. | ||||||||||||
Yes, the structure of archaeal viruses is always completely different from other bacterial viruses. | ||||||||||||
Yes, they have only DNA genomes. b.) Of the following examples, which is not a common part of many viral life cycles?
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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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