Q.48 Arrange the following events occuring in a JAK/STAT signaling pathway in the correct sequence: A. Phosphorylation of Tyr residues on receptor by JAK B. Binding of ligand to receptor […]
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Somaclonal Variation in Plant Tissue Culture
Q.47 Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Plants raised in-vitro, through tissue culture technique often […]
Yeast Cdk1 Cell Cycle A
Q.46 Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: In yeast, a single Cdk (Cyclin dependent Kinases) […]
Chargaff’s Rules in DNA
Q.45 Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The number of Adenine bases in a DNA […]
Sucrase Specificity
Q.44 Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Enzyme sucrase will not bind and act on […]
Nerve Impulses and Synapses
Q.43 Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Nerve impulses are communicated across synapses by small, […]
Enzyme-Substrate Binding
Q.42 Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Subtrates are bound to enzymes by multiple weak […]
Second Law Thermodynamics
Q.41 Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The second law of thermodynamics states that the […]
Nucleosome Model
Q.40 In nucleosome model, the dsDNA is wound on which molecular structure to give organisation to DNA into chromatin 1. H1 molecule 2. Histone protein Octamer 3. Nuclear membrane 4. […]
Erythromycin Antibiotic Producer
Q.39 The commonly used antibiotic “Erythromycin” is produced by: 1. Bacillus licheniformis 2. Streptomyces erythreus 3. Pencillium chrysogenum 4. Streptomyces antibioticus Erythromycin Antibiotic Producer: Streptomyces erythreus Identified Erythromycin, a macrolide […]


