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#Question id: 4945


Which is a defining characteristic that all protobionts had in common?

#11. Evolution and Behavior
  1. the ability to synthesize enzymes

  2. a surrounding membrane or membrane-like structure

  3.  RNA genes

  4.  a nucleus


Answer:- Option(s): 2


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#Question id: 3031

#2. Cellular Organization

In the growth equation: n = 3.3 (log10 N – log10 No), n stands for

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#Question id: 383

#1. Molecules and their Interaction Relevant to Biology

Three buffers are made by combining a 1 M solution of acetic acid with a 1 M solution of sodium acetate in the ratios shown below

1 M acetic acid              

1 M sodium acetate  

Buffer 1: 10 mL

 90 mL

Buffer 2: 50 mL

50 mL

Buffer 3: 90 mL

10 mL

 Which of these statements is true of the resulting buffers?

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#Question id: 23923

#Aptitude

A thermodynamic function of state which is constant during a reversible isobaric isothermal process is:

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#Question id: 23176

#13. Methods in Biology

When we use a high-intensity light to permanently bleach the fluorochrome in the patch, there will initially be no fluorescence and it will look 

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#Question id: 4940

#11. Evolution and Behavior

In their laboratory simulations of the early Earth, Miller and Urey observed the abiotic synthesis of

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