Which would be the result of mutation in genes responsible for radial patterning in roots of higher plants?

• No apical root formation

• Root hair will fail to develop

• Variation in number and position of cell in vascular system

• Roots will be positively geotrophic

In Arabidopsis gene responsible for formation shoot meristem is

• Leafy

• Agamous

• Clavata

• Wus

Among the following which gene product migrates from leaves to shoot meristem during transition of shoot meristem into floral meristem?

• Flowering locus T

• Flowering locus D

• Leafy

• Apetala 1

The position of collagen triple helix in Ramachndran plot is at-

• Top Left

• Top Right

• Bottom Right

• Bottom Left

One of the most important genes, involved in dorsal-ventral axis determination in Drosophila is dorsal. It codes Dorsal protein which

• Is taken up into the nuclei of cells and this side will become the ventral side

• remains in the cytoplasm of cell and this side will become ventral side.

• Is taken up into the nuclei of cells and this side will become the dorsal side

• Degraded in one side and that will become dorsal side

Which is true for amount of yolk and cleavage in egg of amphibian?

• Mesolcithal and holoblastic cleavage

• Isolecithal and holoblastic cleavage

• Mesolecithal and meroblastic cleavage

• Microlecithal and meroblastic cleavage

67.

Among the following which enzyme used NAD as cofactor?

• Histone acetyl transferase

• Histone methyl transferase

• Histone deacetylase

• Histone demethylase

Which of the following system can be utilized for glycosylation of peptides expressed using recombinant DNA technology?

• Large bacterial fermenters

• Small bacterial fermenters

• Normal bacterial bioreactors

• Mammalian cell line

Among the following which is not responsible for producing near UV signal in circular dichroism for secondary structure determination of proteins?

• Tyrosine

• Tryptophan

• Disulphide bond

• Peptide bond

β-α-β structure inprotein structure are known for

• ligand binding

• Stereological hindrance in binding of ligand

• Catalytic center

• Trans-membrane domain