TLS Online TPP Program

#Question id: 9208


Which of the following threats to biodiversity is targeted at specific species rather than groups of species?

#Unit 9. Diversity of Life Forms
  1. introduced species
  2. habitat destruction
  3. increased levels of atmospheric carbon dioxide, a cause of global warming
  4. overharvesting
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TLS Online TPP Program

#Question id: 10475

#Unit 1. Molecules and their Interaction Relevant to Biology

During the formation of a blood plasma protein The aromatic ring of vitamin K undergoes:

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