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TLS Online TPP Program

#Question id: 782

Which of the following experimental requirements makes an siRNA approach unsuitable for determining the consequence of silencing a gene of interest in an established cell line?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. Expression of the gene of interest is integral to cell viability.

  2. End point RT-PCR and western blots are the only available validation assays.

  3. Lipofectamine is the only available delivery method.

  4. The cell line proliferation rate is relatively slow.

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TLS Online TPP Program

#Question id: 5435

#Unit 8. Inheritance Biology

A polygenic trait is controlled by three genes-A, B and C. In a cross, AaBbCc x AaBbCc, what is a probability of intermediate phenotype offspring?
TLS Online TPP Program

#Question id: 34

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is true of any (S)-enantiomer?
TLS Online TPP Program

#Question id: 4389

#Unit 3. Fundamental Processes

Regulation of transcription by steroid hormones
TLS Online TPP Program

#Question id: 11444

#Unit 10. Ecological Principles

Ecologist have proposed following explanation to lead maximize biodiversity at tropic.

A. Higher productivity in the tropics allows for more species present

 B. Old communities have greater species than younger community

 C. Natural enemies such as predators and parasite limit competition in the tropics, which allows more species to coexist

D. Very less intensity of disturbances in the tropics promote high succession diversity
TLS Online TPP Program

#Question id: 23159

#Unit 13. Methods in Biology

Rhodamine is a fluorescent dye which emits a colour?