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TLS Online TPP Program

#Question id: 66

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

#Section 2: General 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: 12819

#Section 2: General Biology

The length and breadth of a rectangle are increased by 20% and 25% respectively. The increase in the area of the resulting rectangle will be :
TLS Online TPP Program

#Question id: 12902

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

An extension of microarray technology may also be used to analyze tissue sections,this process is known as_____
TLS Online TPP Program

#Question id: 12903

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

A gene isolation system that uses adapted vectors termed as_______
TLS Online TPP Program

#Question id: 12904

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Match the following:
1. Southern Blotting                               i. Melting temperature of DNA strand
2. DNA microchips                                   ii.oligonucleotide matching to DNA sample
3. ASO-PCR                                                 iii.DNA hybridization to oligo arrays
4. DGGE                                                        iv. labeled probe hybridization to DNA  
TLS Online TPP Program

#Question id: 12905

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Some gene/protein is used to identify the Disorder in humans
Match them correctly:
1. Tyrosine Kinase(TK)                        i. Atherosclerosis
2. HIV transactivator                          ii. Hypertension
3. Angiotensinogen                            iii. Kaposis Sarcoma
4. CET protein                                      iv. Cardiac Hypertrophy
TLS Online TPP Program

#Question id: 12906

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

An alternative method labeling strategy used in karyotyping and gene localisation is _______