TLS Online TPP Program

#Question id: 370


Which of the following statements is true about buffer solutions?

#SCPH05 I Biotechnology
  1. They maintain a constant pH of 7.

  2. They maintain a constant pH when acids are added to them but not when bases are added to them.

  3. They fluctuate in pH when either acids or bases are added to them.

  4. They maintain a relatively constant pH when either acids or bases are added to them.

More Questions
TLS Online TPP Program

#Question id: 553

#SCPH05 I Biotechnology

The concept of “induced fit” refers to the fact that:

TLS Online TPP Program

#Question id: 14896

#SCPH05 I Biotechnology

Turbidostat is recommended when continuous fermentation needs to be carried out at 

TLS Online TPP Program

#Question id: 10906

#SCPH05 I Biotechnology

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.

TLS Online TPP Program

#Question id: 15479

#SCPH05 I Biotechnology

Out of the following what usually supports the fastest growth rate and is therefore considered the preferred nitrogen source for E. coli

TLS Online TPP Program

#Question id: 27698

#Research Methodology

An essential Criterion of Scientific study is