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TLS Online TPP Program

#Question id: 66

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

#SCPH06 I Botany

  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: 1048

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#Question id: 1083

#SCPH06 I Botany

 When a neuron responds to a particular neurotransmitter by opening gated ion channels, the neurotransmitter is serving as which part of the signal pathway?
TLS Online TPP Program

#Question id: 16005

#SCPH05 I Biotechnology

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#Question id: 3436

#SCPH06 I Botany

Loss of responsiveness to stimuli that convey little or no new information is called
TLS Online TPP Program

#Question id: 19374

#SCPH01 Biochemistry

Transgene expression can be exploited in several different ways such as
1. Protein product itself may be an important biomolecule 
2. Protein itself may generate a valuable phenotype in the plan
3. Product may trigger a pathway endogenous to the plant
Which of the above statements are correct?