TLS Online TPP Program

#Question id: 5754


A cell is exposed to EMS (a mutagen that causes guanine to mispair with thymine) and allowed to undergo a few rounds of DNA replication.  The mutational event caused by this mutagen will be

#SCPH28 | Zoology
  1. AT to CG

  2. GC to AT

  3. AT to TA

  4. AT to GC
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TLS Online TPP Program

#Question id: 10802

#I Life Science/ Life Sciences Group – I-V

Condensed tannins are the polymerizing subunits of__

TLS Online TPP Program

#Question id: 10802

#SCPH05 I Biotechnology

Condensed tannins are the polymerizing subunits of__

TLS Online TPP Program

#Question id: 10803

#I Life Science/ Life Sciences Group – I-V

Which of the following are not consider as nitrogen-containing secondary metabolites?

TLS Online TPP Program

#Question id: 10803

#SCPH05 I Biotechnology

Which of the following are not consider as nitrogen-containing secondary metabolites?

TLS Online TPP Program

#Question id: 10804

#I Life Science/ Life Sciences Group – I-V

Major types of alkaloids, their amino acid precursors, and well-known examples of each type;

Alkaloid class

Biosynthetic precursor

Examples

A. Pyrrolidine

i. Lysine

a. Coniine

B. Tropane

ii. Ornithine

b. Retrorsine

C. Piperidine

 

c. Lupinine

D. Pyrrolizidine

 

d. Nicotine

E. Quinolizidine

 

e. Atropine and Cocaine

Which of the following combination from the given table is correct?

TLS Online TPP Program

#Question id: 10804

#SCPH05 I Biotechnology

Major types of alkaloids, their amino acid precursors, and well-known examples of each type;

Alkaloid class

Biosynthetic precursor

Examples

A. Pyrrolidine

i. Lysine

a. Coniine

B. Tropane

ii. Ornithine

b. Retrorsine

C. Piperidine

 

c. Lupinine

D. Pyrrolizidine

 

d. Nicotine

E. Quinolizidine

 

e. Atropine and Cocaine

Which of the following combination from the given table is correct?