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TLS Online TPP Program

#Question id: 11997

Which statement best contrasts environmentalism with ecology?

#Unit 10. Ecological Principles
  1. Ecology is the study of the environment; environmentalism is the study of ecology.
  2. Ecology provides scientific understanding of living things and their environment; environmentalism is more about conservation and preservation of life on Earth.
  3. Environmentalists are only involved in politics and advocating for protecting nature; ecologists are only involved in scientific investigations of the environment.
  4. Ecologists   study   organisms   in   environments   that   have   been   undisturbed   by   human   activities; environmentalists study the effects of human activities on organisms.
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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