floral organ development is controlled by overlapping expressions of A class , B class and C class genes in different whorls. In an Arabidopsis mutant, the floral whorls had following pattern:

Sepal àSepal àcarpel àcarpel 

Mutation in which one of the following class of gene causes above pattern.  

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#Question id: 2983

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

Cell cycle is regulated by master regulators (cyclin and CDKs). In vertebrates, G1 CDK activity rises during G1 and is stimulated by the presence of growth factors. When signaling from growth factors is sustained, the resulting cyclin D–CDK4/6 complexes begin phosphorylating Rb, releasing some E2F, which stimulates transcription of the genes encoding cyclin E, CDK2, and E2F itself. In a particular cell type there is a mutation in Rb such that it cannot be phosphorylated. What will be the correct expression pattern of cyclin E in these cells after mitotic stimulation?

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#Question id: 18372

#SCPH01 Biochemistry

Which enzyme is used to degrade of chlorinated solvents and pesticides present in soil makes the soil contaminated

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#Question id: 15861

#SCPH05 I Biotechnology

which part of the plant tissue will be promoted by Increasing the amount of Auxin in callus culture ?

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#Question id: 4969

#SCPH06 I Botany

The snowball Earth hypothesis provides a possible explanation for the

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#Question id: 24442

#SCPH06 I Botany

Match the following Column I with Column II 

Column I	Column II
A. PR segment	i. Plateau portion of the ventricular action potential
B. PR interval	ii. Conduction through atrioventricular node
C. ST segment	iii. The time from initial depolarization of the atria to initial depolarization of the ventricles
D. ST interval	iv. An isoelectric portion of the QT interval