Virulent phage replicate and kill their host by lysing but Temperate phage such as l, infect cells but don’t necessarily kill.

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#Id: 4910

#Unit 13. Methods in Biology

Variance is always non-negative since each term in the variance sum is squared and therefore the result is either positive or zero.

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#Id: 850

#Unit 2. Cellular Organization

Bacteria frequently deploy a “quorum‐sensing” mechanism to facilitate successful colonization of plant tissue

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#Id: 4493

#Unit 13. Methods in Biology

The U wave is an inconstant finding that may be due to ventricular myocytes with long action potentials.

TLS Online TPP Program

#Id: 8944

#Unit 2. Cellular Organization

If chromosome segregation occurs properly, extension of the spindle microtubules inserts the daughter SPB into the bud, causing Tem1 to be activated by an unknown mechanism.

TLS Online TPP Program

#Id: 2274

#Unit 3. Fundamental Processes

E. coli encodes several other s subunits that can replace σ 70 under certain circumstances.

a.σ 32 

b.σ 54