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#Question id: 23202


The cathode of transmission electron microscope consists of a ____________________

#Unit 13. Methods in Biology
  1. Bulb deliver 
  2. Iron filament
  3. Tungsten wire
  4. Gold wire

Answer:- Option(s): 3


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#Question id: 2437

#Unit 2. Cellular Organization

Membrane extension involves

a. bending actin filaments.                   

b. myosin II.

c. the Arp2/3 nucleation of new filaments.

d. actin depolymerization.     

e. actin polymerization.

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#Question id: 2125

#Unit 2. Cellular Organization

The shortest alpha helix segment in a protein that will span a membrane bilayer has about _____ amino acid residues.

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#Question id: 23242

#Unit 2. Cellular Organization

Carboxysomes containing bacteria are nitrifying bacteria. Which among the following are examples of such bacteria?
1.Cyanobacteria 
2.E. Coli
3.Thiobacilli
Mark the option with correct combination?

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#Question id: 12822

#General Aptitude

In measuring the sides of a rectangle, there is an excess of 5% on one side and 2% deficit on the other. Then the error percent in the area is

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#Question id: 29070

#Unit 10. Ecological Principles

Which of the following prediction is applicable for semelparous reproductive strategy?

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