Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 26151
TLS Online TPP Program

#Question id: 547

The role of an enzyme in an enzyme-catalyzed reaction is to:

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. bind a transition state intermediate, such that it cannot be converted back to substrate.

  2. ensure that all of the substrate is converted to product.

  3. ensure that the product is more stable than the substrate.

  4. increase the rate at which substrate is converted into product.

More Questions
TLS Online TPP Program

#Question id: 14998

#Unit 8. Inheritance Biology

You set up a monohybrid cross between true breeding round winged and true breeding oval winged insects. Your F1 offspring have round wings, and you collect the following numbers of F2: Round wings: 302; Oval wings: 86. Which of the following statements is NOT correct?
TLS Online TPP Program

#Question id: 23671

#Unit 13. Methods in Biology

________ was the first bacterial genome sequence to be published.
TLS Online TPP Program

#Question id: 3650

#Unit 3. Fundamental Processes

Which of the following is true for the most important form of DNA damage which produces pyrimidine dimers from adjacent pyrimidine bases?
TLS Online TPP Program

#Question id: 901

#Unit 1. Molecules and their Interaction Relevant to Biology

Proteins with high Tm values are generally stable at
TLS Online TPP Program

#Question id: 10543

#Unit 6. System Physiology – Plant

Effectors are molecules that change the plant’s structure, metabolism, or hormonal regulation to the advantage of the pathogen, which of the following is effector molecules?