Which of the following statements about polymerase chain reaction is correct?

a) PCR denaturation temperature calculated by using Y = X (1+E)n

b) Size of the primer negatively affects the efficiency of PCR

c) Standard PCR doesn’t efficiently amplify sequence much longer than about 5kb.

d) Primer annealing of PCR at 550C for 1.5 min.

e) Time taken for each cycle of PCR considerably longer than 3 min.

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#Question id: 31111

#Unit 2. Cellular Organization

Arp2/3 needs to be activated by interacting with a nucleation promoting factor (NPF). Although there are many different NPFs, The major NPF family is characterized by the presence of a region called:

TLS Online TPP Program

#Question id: 31112

#Unit 2. Cellular Organization

Listeria is a food-borne pathogen that causes mild gastrointestinal symptoms. It enters animal cells and divides in the cytoplasm. Listeria has on its surface a protein called ActA, which mimics:

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#Question id: 31113

#Unit 2. Cellular Organization

Which of the following sequence is correct regarding the cycle of structural changes used by myosin II to walk along an actin filament?

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#Question id: 31114

#Unit 2. Cellular Organization

When the level of Ca²⁺ is raised, which of the following causes troponin I to release its hold on actin?

TLS Online TPP Program

#Question id: 31115

#Unit 2. Cellular Organization

Troponin C is closely related to the ubiquitous Ca2+-binding protein, called: 

TLS Online TPP Program

#Question id: 31137

#Unit 2. Cellular Organization

Transport of membrane and soluble proteins from one membrane-bounded compartment to another is mediated by: