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#Question id: 18884


The presence of a capsule around bacterial cells usually indicates their increased disease-causing potential and resistance to disinfection. Capsules are generally viewed by:

#Unit 13. Methods in Biology
  1. Scanning electron microscopy
  2. Gram staining
  3. Negative staining
  4. Ziehl-Neelsen staining
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#Question id: 3476

#Unit 11. Evolution and Behavior

The genetic relatedness (r) of an individual to brother is 0.50, according to Hamilton’s Rule, only if the fitness benefit is

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#Question id: 10549

#Unit 6. System Physiology – Plant

Following are the list of some of the molecular “danger signals” (column I) and its characteristics (column II)                                                                                         

 Column I                                                                                   Column II

 a) MAMPs                               i) produce from the pathogen molecules support their ability to successfully colonize their host and gain nutritional benefits

b) DAMPs                               ii) A plant response to insect herbivores involve both a wound response and the recognition of certain compounds abundant in the insect’s saliva or regurgitant

c) Effectors                             iii) are conserved among a specific class of microorganisms such as chitin for fungi, flagella for bacteria

d) Elicitor                                iv) molecules secrete from the damaging plant by herbivory such as Prosystemin

Which of the following is the correct match between the signals and their respective mechanism?

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#Question id: 15991

#Unit 12. Applied Biology

Micropropagation has the following features;
a) Constant temperature
b) Low relative humidity (RH)
c) Low PPFD
d) High sugar concentration
e) No difference in light and dark period C02 concentration
Which one is the TRUE prediction in feature of the micropropagation?

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#Question id: 5317

#Unit 11. Evolution and Behavior

How do transposable elements and short tandem repeats (STRs) differ?

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#Question id: 28445

#Unit 5. Developmental Biology

 In C. elegans Formation of the vulva occurs during the larval stage from six cells is called_____