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Chapter 25: Q9CP (page 897)

Explain why TUS is the only replication protein that is sequence-specific?

Short Answer

Expert verified

TUS also known as terminus utilization substance is a protein that binds to terminator sequences.

Step by step solution

01

TUS is the only replication protein that is sequence-specific

TUS acts as a counter helicase when it comes in contact with an advancing helicase.

TUS is sequence-specific and binds to terminator sequences.

02

Role of TUS

The bound TUS protein effectively halts. DNA polymerase movement TUS help in ending DNA replication in prokaryotes.

Thus, TUS is the only replication protein that is specific for sequences

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Most popular questions from this chapter

What fraction of the human genome consists of transposons and retrotransposons?

What happens to nucleosomes after replication?

Why can’t a linear duplex DNA, such as that of bacteriophage T7, be fully replicated by just E. coli-encoded proteins?

How does a eukaryotic cell distinguish the end of a broken chromosome from the end of an intact linear chromosome?

What are the functions of DNA phtolyases and alkytransfarses?
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