Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 445
TLS Online TPP Program

#Question id: 463

Thioesters are similar to oxygen esters of carboxylic acids except that

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. the energy associated with their hydrolysis is much less than that of the phosphoanhydride in ATP.

  2. they are more stable at neutral pH values in cells.

  3. they are less stable because S is present instead of O in the linkage.

  4. they are used in glycolysis and the citric acid cycle.

More Questions
TLS Online TPP Program

#Question id: 10945

#Unit 7. System Physiology – Animal

A 65-year-old alcoholic developed chest pain and cough with an expectoration of sputum. A blood sample revealed that his white blood cell count was 42,000/μl. What is the origin of these WBCs?
TLS Online TPP Program

#Question id: 2364

#Unit 2. Cellular Organization

An enzyme's specificity is caused by the ______ of the active site.
TLS Online TPP Program

#Question id: 7259

#Unit 5. Developmental Biology

The mechanism that triggered to initiate limb bud formation involes:

A. making mesoderm instructive for limb formation

B. inducing epithelial-to-mesenchymal transitions

C. making mesoderm permissive for limb formation

D. inducing mesenchymal-to-epithelial transitions

E. specifying forelimb and hindlimb

Which of the following combinations are incorrect?
TLS Online TPP Program

#Question id: 15420

#Unit 5. Developmental Biology

signal from the inducing cell is necessary for initiating new gene expression in the responding cell. Without the inducing cell, the responding cell is not capable of differentiating in that particular way, phenomena known as:
TLS Online TPP Program

#Question id: 30061

#Unit 7. System Physiology – Animal

 In cardiac muscle, the action potential is caused by opening of three types of channels, except;