Practice Questions

TLS Online TPP Program

#Question id: 9154

The main reason polar regions are cooler than the equator is that ________.

#Unit 9. Diversity of Life Forms

solar radiation strikes the poles at a lower angle and travels through more atmosphere
the poles are farther from the sun than is the equator
the polar atmosphere is thinner and contains fewer greenhouse gases
the poles are permanently tilted away from the sun

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TLS Online TPP Program

#Question id: 19351

#Unit 12. Applied Biology

Different organisms may preferentially use different codons to encode the same amino acid in the cases of such amino acids that are encoded by more than one codon this is called

TLS Online TPP Program

#Question id: 19352

#Unit 12. Applied Biology

Reporter genes have been extensively used to assay the function of promoters and other regulatory sequences, and also to demonstrate the

TLS Online TPP Program

#Question id: 19353

#Unit 12. Applied Biology

Gene uidA encodes the enzyme P-glucourinidase which acts on the substrate

TLS Online TPP Program

#Question id: 19355

#Unit 12. Applied Biology

Genes are often transferred from eukaryotes into prokaryotes with the prime objective

TLS Online TPP Program

#Question id: 19356

#Unit 12. Applied Biology

Genes were transferred from eukaryotes, more particularly from human beings, into prokaryotes like E. coli this phase is considered as

TLS Online TPP Program

#Question id: 19357

#Unit 13. Methods in Biology

BAC vectors are based on _________ plasmid.