Questions from Genetics


Q: A short genetic sequence, which may be recognized by primase,

A short genetic sequence, which may be recognized by primase, is repeated many times throughout the E. coli chromosome. Researchers have hypothesized that primase may recognize this sequence as a site...

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Q: Single-strand binding proteins keep the two parental strands of DNA

Single-strand binding proteins keep the two parental strands of DNA separated from each other until DNA polymerase has an opportunity to replicate the strands. Suggest how single-strand binding protei...

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Q: In the following drawing, the top strand is the template DNA

In the following drawing, the top strand is the template DNA, and the bottom strand shows the lagging strand prior to the action of DNA polymerase I. The lagging strand contains three Okazaki fragment...

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Q: Describe the three important functions of DnaA protein

Describe the three important functions of DnaA protein

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Q: What do we mean when we say a strain is true-

What do we mean when we say a strain is true-breeding?

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Q: Draw a picture that illustrates how DNA helicase works.

Draw a picture that illustrates how DNA helicase works.

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Q: What is an Okazaki fragment? In which strand of replicating DNA

What is an Okazaki fragment? In which strand of replicating DNA are Okazaki fragments found? Based on the properties of DNA polymerase, why is it necessary to make these fragments?

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Q: Discuss the similarities and differences in the synthesis of DNA in the

Discuss the similarities and differences in the synthesis of DNA in the lagging and leading strands. What is the advantage of a primosome and a replisome as opposed to having all replication enzymes f...

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Q: With regard to DNA replication, define the term bidirectional replication

With regard to DNA replication, define the term bidirectional replication

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Q: Explain the proofreading function of DNA polymerase.

Explain the proofreading function of DNA polymerase.

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