TLS Online TPP Program

#Question id: 14950


NMR studies of the pectin molecules not indicate that,

#Unit 6. System Physiology – Plant
  1. pectins make contact with cellulose surfaces in the wall
  2. the neutral side chains of pectins can bind to cellulose surfaces, although more weakly than do hemicelluloses
  3. pectins make intimate contact with xyloglucan
  4. the neutral side chains of pectins can bind to Glucose surfaces
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TLS Online TPP Program

#Question id: 10476

#Unit 1. Molecules and their Interaction Relevant to Biology

Following statements are regarding to gangliosides.

A. They are ceramides with attached oligosaccharides that include at least one sialic acid residue.

B. They are ceramides with attached oligosaccharides that include at least one phasphatidic acid residue.

C. Sialic acid gives gangliosides the negative charge at pH 7 that distinguishes them from globosides.

D. Gangliosides are primarily components of cell-surface membranes and constitute a significant fraction (6%) of brain lipids.

Which of the following combination is correct?

TLS Online TPP Program

#Question id: 10477

#Unit 1. Molecules and their Interaction Relevant to Biology

The tendency of nonpolar molecules to self‐associate in water rather than to dissolve individually is called

TLS Online TPP Program

#Question id: 10478

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the following amino acids with their structure?


TLS Online TPP Program

#Question id: 10479

#Unit 1. Molecules and their Interaction Relevant to Biology

All hydrophobic amino acids (valine, leucine, isoleucine, etc.) share which of the following properties

TLS Online TPP Program

#Question id: 10480

#Unit 1. Molecules and their Interaction Relevant to Biology

If we want to perform a reaction, first we need to remove ordered water molecule phenomenon is known as

TLS Online TPP Program

#Question id: 10481

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the amino acid appropriately with their groups