Triploids are usually autopolyploids. They arise spontaneously in nature, but they can be constructed by geneticists from the cross of a 4n (tetraploid) and a 2n (diploid). Triploids are characteristically sterile due to

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#Question id: 1060

#SCPH28 | Zoology

If the infecting phage lacks some critical pieces of DNA necessary for replication, it is called

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#Question id: 10762

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

The following are certain statements about secondary metabolites:

a) They protect plants against being eaten by herbivores and against being infected by microbial pathogens

b) Terpenes, are the class of secondary metabolites are synthesized by methyl erythritol phosphate(MEP) pathway and Mevalonic acid pathway

c) Terpenes, are the class of secondary metabolites are synthesized by methyl erythritol phosphate(MEP) pathway and sikkimic acid pathway

Which one of the following combinations of the above statements is correct?

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#Question id: 10972

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

What is the proper pathway for the extrinsic clotting pathway?

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#Question id: 14733

#SCPH06 I Botany

Staphylococci are coccus bacteria which usually occur in clusters. What is the benefit of being in cluster

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#Question id: 7762

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

Correlation between life span and the ability of fibroblasts to repair DNA in various mammalian species, Repair capacity is represented in autoradiography by the number of grains from radioactive thymidine per cell nucleus. According to graph, which factor exist on x-axis ? Note that the y-axis (life span) is logarithmic.