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RNA Polymerase and Operons Quiz

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Questions and Answers

Which process involves the transducing phage carrying a random DNA segment from the donor to the recipient?

Bacterial Conjugation

Specialized Transduction

Transformation

Generalized Transduction (correct)

What allows cells to take up DNA in transformation?

Capsule presence

Cytoplasmic membrane alterations

Cell wall alterations (correct)

Capsule absence

Which strain survives when exposed to a heat-killed S strain according to the text?

Capsule strain

Live S strain

Live R strain

Rough (R) strain (correct)

During bacterial conjugation, what is transferred in generalized transduction?

Transducing phage carrying random DNA segment Signup and view all the answers

What is one of the conclusive pieces of proof that DNA is genetic material?

Transformation with DNA Signup and view all the answers

Which cells are competent to take up DNA in the process of transformation?

'Smooth' cells Signup and view all the answers

In specialized transduction, what type of genes are transferred?

'Only certain donor DNA sequences' Signup and view all the answers

What is the outcome when an incorporated piece of host DNA is mistakenly packaged into a phage during transduction?

'Defective phage' production Signup and view all the answers

'Live S and R strains isolated from a dead mouse' resulted in what effect according to the text?

'Die' Signup and view all the answers

'Cells that take up DNA are competent' due to alterations in which structures?

'Cell wall and cytoplasmic membrane' Signup and view all the answers