Which one of the following DNA markers can be used to distinguish between a homozygote and heterozygote ?

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#Question id: 1567

#Section 2: General Biology

Which of the following cell types are responsible for initiating a secondary immune response?

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#Question id: 2107

#Section 3: Genetics, Cellular and Molecular Biology

All the following statements describe biomembranes except:

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#Question id: 1952

#Section 2: General Biology

Immune defenses in the gut have evolved mechanisms that restrict the activation of:

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#Question id: 15876

#Section 6: Plant, Animal and Microbial Biotechnology

The following growth regulators (GRs)- auxins, cytokinins, ABA and GA3 are used in plant tissue culture, The common range of concentrations used are as follows:

GROWTH REGULATOR(GRs)                                     CONCENTERATION

A) AUXIN                                                                       i) 0.1-3 mg/L

B) GA3                                                                          ii) 0.2 mg/L

C) CYTOKININ                                                           iii) 0.1-1 mg/L

D) ABA

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#Question id: 15259

#Section 6: Plant, Animal and Microbial Biotechnology

Which media are called as general purpose media because they support the growth of many microorganisms.