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TLS Online TPP Program

#Question id: 2111

The membranes of winter wheat are able to remain fluid when it is extremely cold by:

#Unit 2. Cellular Organization

  1. increasing the proportion of unsaturated phospholipids in the membrane

  2. decreasing the percentage of cholesterol molecules in the membrane

  3. decreasing the number of hydrophobic proteins in the membrane

  4. increasing the proportion of glycolipids in the membrane

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TLS Online TPP Program

#Question id: 32132

#Unit 1. Molecules and their Interaction Relevant to Biology

For guanine, the pKa value is 
TLS Online TPP Program

#Question id: 32133

#Unit 1. Molecules and their Interaction Relevant to Biology

The structure shown here is 
TLS Online TPP Program

#Question id: 32134

#Unit 1. Molecules and their Interaction Relevant to Biology

In mammals, which nucleotide act as local hormone, and as a neuromodulator
TLS Online TPP Program

#Question id: 32135

#Unit 1. Molecules and their Interaction Relevant to Biology

The net charge on a nucleoside monophosphate is 
TLS Online TPP Program

#Question id: 32136

#Unit 1. Molecules and their Interaction Relevant to Biology

Bonds shown as A, B, C are as
TLS Online TPP Program

#Question id: 32137

#Unit 1. Molecules and their Interaction Relevant to Biology

The degrees of freedom in the sugar–PO4 backbone of DNA chain is/are