Practice Questions

TLS Online TPP Program

#Question id: 2229

The difference between pinocytosis and receptor-mediated endocytosis is that:

#XL - Q Biochemistry

pinocytosis brings only water molecules into the cell, but receptor-mediated endocytosis brings in other molecules as well
pinocytosis increases the surface area of the plasma membrane, whereas receptor-mediated endocytosis decreases the plasma membrane surface area
pinocytosis is nonselective in the molecules it brings into the cell, whereas receptor-mediated endocytosis offers more selectivity
pinocytosis can concentrate substances from the extracellular fluid, but receptor-mediated endocytosis cannot

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TLS Online TPP Program

#Question id: 15482

#XL - S Microbiology

Over expression of primary metabolites are often achieved by

1. Frequency of RNA polymerase binding to the promoter region

2. Copy number increase of structural genes for these enzymes by genetic engineering

3. Chemically derived protein

Which combination below represent correct option?

TLS Online TPP Program

#Question id: 3929

#XL - Q Biochemistry

The product of the lacZ gene is __.

TLS Online TPP Program

#Question id: 3037

#XL - S Microbiology

Which of the following is the best definition of generation time in a bacterium?

TLS Online TPP Program

#Question id: 2940

#XL - T Zoology

Chk1is activated by:

TLS Online TPP Program

#Question id: 16108

#XL - T Zoology

What is the result of a rise in body temperature?