TLS Online TPP Program

#Question id: 3039


An inoculated thioglycolate medium culture tube shows dense growth at the surface and turbidity throughout the rest of the tube. What is your conclusion?

#I Life Science/ Life Sciences Group – I-V
  1. The organisms die in the presence of oxygen

  2. The organisms are facultative anaerobes.

  3. The organisms should be grown in an anaerobic chamber.

  4. The organisms are obligate aerobes

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TLS Online TPP Program

#Question id: 14139

#SCPH05 I Biotechnology

Which of the following statement is incorrect about sequence similarity and sequence identity? 

TLS Online TPP Program

#Question id: 17664

#SCPH01 Biochemistry

Which of the following is a information retrieval system? 

TLS Online TPP Program

#Question id: 2932

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

Which of the following is targeted by the SCF complex?

TLS Online TPP Program

#Question id: 1116

#SCPH01 Biochemistry

What is a primary function of transcription factors?

TLS Online TPP Program

#Question id: 10906

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

The pressure-flow model explains phloem translocation as a flow of solution (bulk flow) driven by an osmotically generated pressure gradient between source and sink.

a) Phloem translocation, both active and passive mechanisms were considered. All theories, both active and passive, assume an energy requirement in both sources and sinks.

b) In sources, energy is necessary to move photosynthate from producing cells into the sieve elements. This movement of photosynthate is called phloem loading.

c) In sinks, energy is essential for some aspects of movement from sieve elements to sink cells, which store or metabolize the sugar. This movement of photosynthate from sieve elements to sink cells is called phloem unloading.

d) The Active mechanisms of phloem transport further assume that energy is required in the sieve elements of the path between sources and sinks simply to maintain structures.

From the given statements find out the correct for pressure-flow model.