Practice Questions

TLS Online TPP Program

#Question id: 4726

Which of the following is incorrect regards genomic imprinting?

#SCPH01 Biochemistry

Certain mutations showing lethality if the mutant gene is derived from one parent, but that same mutant gene has no deleterious effects if inherited from the other parent
Genes on autosomal chromosomes that are more readily expressed in one sex
Transgenic male passes an imprinted gene to his offspring, they express the gene; but, when his daughter transmits the same gene to her offspring, they don’t express it
Genes whose expression is affected by the sex of the transmitting parent

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TLS Online TPP Program

#Question id: 2615

#SCPH28 | Zoology

What are the effects shown in trp operon if we fused regulatory region of lac with structural genes of trp; which one is incorrect,

TLS Online TPP Program

#Question id: 10341

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

The accumulation of nitrate that results from diminished nitrate reductase activity, this symptoms is caused by

TLS Online TPP Program

#Question id: 10988

#SCPH28 | Zoology

What is the normal total delay of the cardiac impulse in the A-V node and the A-V bundle system?

TLS Online TPP Program

#Question id: 10388

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

Phytochrome can interconvert between Pr and Pfr forms, Pr receives red light and converts into Pfr while Pfr receives far-red light and then converts into Pr, so which form of phytochrome is responsible for seed germinations?

TLS Online TPP Program

#Question id: 14197

#SCPH05 I Biotechnology

What is the generation time of a bacterial population that increases from 10,000 cells to 10,000,000 cells in four hours of growth?