Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 528
TLS Online TPP Program

#Question id: 546

Enzymes are potent catalysts because they:

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. are consumed in the reactions they catalyze.

  2. are very specific and can prevent the conversion of products back to substrates.

  3. drive reactions to completion while other catalysts drive reactions to equilibrium.

  4. lower the activation energy for the reactions they catalyze.

More Questions
TLS Online TPP Program

#Question id: 7543

#General Aptitude

Two train whose lengths 180m and 220m respectively are running in opposite direction with respective speeds of 40km/hr and 50km/hr. Time taken by them to cross one another will be (in seconds)
TLS Online TPP Program

#Question id: 27979

#Unit 1. Molecules and their Interaction Relevant to Biology

In the Alternative respiratory pathway 
a. the external NADH dehydrogenase is rotenone insensitive 
b. the external NADH dehydrogenase is cyanide-resistant
c. alternative oxidase is cyanide-resistant 
d. alternative oxidase is rotenone insensitive
TLS Online TPP Program

#Question id: 12158

#Unit 9. Diversity of Life Forms

Which of the following is correctly described as a primary producer?
TLS Online TPP Program

#Question id: 2105

#Unit 2. Cellular Organization

An investigator wants to use FRAP to quantify the lateral movement of a specific plasma membrane protein, but to do so this investigator must first:
TLS Online TPP Program

#Question id: 33342

#Unit 2. Cellular Organization

The junction between new and old peptidoglycan forms a ridge on the cell surface of gram-positive bacteria called: