Velocities for transport in the phloem are measured by using a technique which detect water flow;

TLS Online TPP Program

#Question id: 860

#Unit 1. Molecules and their Interaction Relevant to Biology

Select true ‘T’ AND false ‘F’ about ubiquitinylation

I. These ubiquitin-like modifiers control processes as diverse as nuclear import,

II. Regulated by the ubiquitin-like modifier Sumo, and autophagy,

III. Regulated by the ubiquitin-like modifier Atg8.

IV. For a protein to be efficiently degraded, it must be linked to a chain of at least four tandemly linked ubiquitin molecules in which Lys 34 of each ubiquitin forms an isopeptide bond with the C-terminal carboxyl group of the following ubiquitin.

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#Question id: 3878

#Unit 3. Fundamental Processes

Which of the following statements about the synthesis of rRNA and tRNA in E. coli is true?

TLS Online TPP Program

#Question id: 15670

#Unit 8. Inheritance Biology

A researcher would like to map the location of galE and trpA genes in a new species of bacterium that appears to be closely related to E. coli. He decides to use cotransduction, and generates appropriate donor and recipient strains. He is disappointed when cotransduction is not seen in his experiement. What is the most reasonable explanation for this situation?

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#Question id: 21250

#Unit 7. System Physiology – Animal

A 56-year-old female was diagnosed with a tumor near the base of the skull, impinging on her optic tract. Which of the following statements about the central visual pathway is correct?

TLS Online TPP Program

#Question id: 14952

#Unit 6. System Physiology – Plant

Some are thin areas where the primary wall is not covered by a secondary wall and are populated with plasmodesmata known as