Various sterilization techniques used in plant tissue culture work;

Sterilization technique	Materials sterilized
A) Dry heat	i) Media, culture vessels, other glass plasticwarc, contaminated cultures
B) Autoclaving	ii) Heat labile compounds like GA3, ABA, zeatin, urea,·enzymes, etc.
C) Surface sterilization	iii) Empty glassware, instruments like scalpels, forceps, needles
D) Liquid (membrane filter of         0.45 μm or smaller pore size)	iv) All plant materials to be cultured

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#Question id: 5307

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following techniques would be most appropriate to test the hypothesis that humans and chimps differ in the expression of a large set of shared genes?

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#Question id: 1085

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statements about a G protein signaling pathway is true?

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#Question id: 16018

#Section 6: Plant, Animal and Microbial Biotechnology

pH of culture medium is initially controlled by

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#Question id: 1082

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following is a type of signaling in which a cells respond to substrate that they themselves release ?

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#Question id: 3566

#Section 3: Genetics, Cellular and Molecular Biology

Two organisms, with genotypes BbDD and BBDd, are mated. Assuming independent assortment of the B/b and D/d genes, determine the genotypic ratios in offspring that would occur.