TLS Online TPP Program

#Question id: 20386


Within the human population there are millions of single base variations, called 

#Unit 13. Methods in Biology
  1. RT - PCR
  2.  immunoprecipitation
  3. pulsed field gel electrophoresis
  4. single nucleotide polymorphisms, or SNPs
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TLS Online TPP Program

#Question id: 9571

#Unit 10. Ecological Principles

All homeostatic systems used by organisms to regulate body temperature are described by which of the following?

TLS Online TPP Program

#Question id: 836

#Unit 1. Molecules and their Interaction Relevant to Biology

To predict the structure of any protein the most simplest and reliable approach is,

TLS Online TPP Program

#Question id: 10228

#Unit 6. System Physiology – Plant

Photorespiration and the quantum yield differ between C3 and C4 photosynthesis, with changes particularly noticeable as temperatures vary quantum yield for photosynthesis as a function of leaf temperature in C3 plants and C4 plants. Following are some statements  based on this study.

 a.) In the C4 plants the quantum yield remains constant with temperature, reflecting low rates of photorespiration

 b.) At lower temperatures the quantum yield of C3 plants is higher than that of C4 plants

c.) C3 photosynthesis is more efficient at lower temperatures

 d.) At higher temperatures the quantum yield of C3 plants is higher  than that of C4 plants

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

TLS Online TPP Program

#Question id: 2830

#Unit 2. Cellular Organization

The NtrC protein from E. coli
a. is a σ54 RNA polymerase.             
b. stimulates transcription of the glnA gene.
c. is activated by a protein kinase called NtrB.
d. binds both to an enhancer site upstream of the glnA gene and to RNA polymerase.
e. has ATPase activity.

TLS Online TPP Program

#Question id: 31075

#Unit 2. Cellular Organization

G1/S phase CDKs and S phase CDKs, prevents reloading of MCM helicases: