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TLS Online TPP Program

#Question id: 66

Which of the following statements regarding isomerism is incorrect regarding biomolecules?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. Stereoisomers that are mirror images of each other are called enantiomers.

  2. A carbon atom with four different substituents is said to be asymmetric, and asymmetric carbons are called chiral centers.

  3. Pairs of stereoisomers that are not mirror images of each other are called diastereomers.

  4. An equimolar solution of the two enantiomers (a racemic mixture) rotates the plane of plane-polarized light in a particular direction.

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TLS Online TPP Program

#Question id: 10147

#Unit 6. System Physiology – Plant

Which of the following enzymes is regulated by supramolecular assembly ?
TLS Online TPP Program

#Question id: 12105

#Unit 10. Ecological Principles

A species of fish is found to require a certain water temperature, a particular oxygen content of the water, a particular depth, a rocky substrate on the bottom, and a variety of nutrients in the form of microscopic plants and animals to thrive. These requirements describe its 
TLS Online TPP Program

#Question id: 410

#Unit 1. Molecules and their Interaction Relevant to Biology

For the reaction A -> B, the Keq' is 10^4.  If a reaction mixture originally contains 1 mmol of A and no B, which one of the following must be true?
TLS Online TPP Program

#Question id: 2273

#Unit 2. Cellular Organization

The bacterial cell wall is composed of
TLS Online TPP Program

#Question id: 4577

#Unit 11. Evolution and Behavior

Which of these is a statement that Darwin would have rejected?