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#Question id: 2071


Diffusion of ions across membranes through specific ion channels is driven by:

#Section 3: Genetics, Cellular and Molecular Biology
  1. active transport pumps

  2. ion concentration gradients only

  3. electrical gradients only

  4. ion electrochemical gradients


Answer:- Option(s): 4


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#Question id: 85

#Section 2: General Biology

Below is the structure for a cyclic D-monosaccharide. Which is the anomeric carbon atom?

TLS Online TPP Program

#Question id: 86

#Section 2: General Biology

Examine the cyclic D-monosaccharide shown below. The ring structure is the ________ and the linear form of this monosaccharide must be a/an ________.

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#Question id: 87

#Section 2: General Biology

The compounds α-D-fructofuranose and β-D-fructofuranose are ________.

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#Question id: 88

#Section 2: General Biology

Anomers can be interconverted ________.

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#Question id: 89

#Section 2: General Biology

In solution α-D-glucopyranose and β-D-glucopyranose ________.

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#Question id: 92

#Section 2: General Biology

Monosaccharide derivatives in which an amino group replaces one of the hydroxyl groups may have important roles in

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