Maternal inheritance of coiling of shell in snail (limnaea peregra) is well established. The dextral coiling depends on dominant allele D and sinistral coiling depends upon recessive allele d. A female F1 progeny of dextral(Dd) type is crossed with a male dextral (Dd). What will be the phenotype ratio in progeny?

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#Question id: 673

#SCPH05 I Biotechnology

How many complete turns are there in an ideal α-helix that contains 15 amino acids and has a pitch of 0.54 nm and a rise of 0.15 nm?

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#Question id: 4961

#SCPH06 I Botany

An early consequence of the release of oxygen gas by plant and bacterial photosynthesis was to

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#Question id: 2061

#SCPH01 Biochemistry

Which of the following types of molecules are hydrophilic and therefore excluded from the hydrophobic portion of the phospholipid bilayer?

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#Question id: 665

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

Which statement is not true about the peptide bond?

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#Question id: 4314

#SCPH05 I Biotechnology

A researcher introduces double-stranded RNA into a culture of mammalian cells and can identify its location or that of its smaller subsections experimentally, using a fluorescent probe. Some time later, she finds that the introduced strand separates into single-stranded RNAs, one of which is degraded. What does this enable the remaining strand to do?