Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 626
TLS Online TPP Program

#Question id: 644

Enzyme X and Enzyme Y are both involved in monosaccharide metabolism. Enzyme X uses glucose as a substrate while Enzyme Y uses fructose as a substrate. At pH=7.0, Enzyme X has a Vmax of 10 μM/s while Enzyme Y has a Vmax of 20 μM/s. Both enzymes have a Km of 3.0 mM for their respective substrates. Which aspects of its reaction will be changed by Enzyme Y?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. The activation energy of the reaction and the energy of the product

  2. The rate of the reaction and the energy of the transition state

  3. The equilibrium position of the reaction and the energy of the substrate

  4. The reversibility of the reaction and the energy of the active site

More Questions
TLS Online TPP Program

#Question id: 241

#Unit 1. Molecules and their Interaction Relevant to Biology

In DNA, phosphodiester bonds form with hydroxyl groups of carbons number ________ and ________ of each deoxyribose sugar.
TLS Online TPP Program

#Question id: 26466

#Unit 3. Fundamental Processes

Which of the following protein act as alarm and responsible for the production the “alarmone”
TLS Online TPP Program

#Question id: 15380

#Unit 8. Inheritance Biology

In soybeans, resistance to sudden death syndrome (SDS) is inherited as a dominant condition. In some cases, individuals that are not resistant to SDS (but whose parents were) can pass the trait on to their progeny. This is an example of which of the following?
TLS Online TPP Program

#Question id: 2683

#Unit 2. Cellular Organization

An inverted repeat is best described as:
TLS Online TPP Program

#Question id: 21120

#Unit 12. Applied Biology

Which one of the following is a biomarker for hypertension?