Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 550
TLS Online TPP Program

#Question id: 568

Which of the following statements about allosteric control of enzymatic activity is false?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. Allosteric effectors give rise to sigmoidal V0 vs. [S] kinetic plots.

  2. Allosteric proteins are generally composed of several subunits.

  3. An effector may either inhibit or activate an enzyme.

  4. Heterotropic allosteric effectors compete with substrate for binding sites.

More Questions
TLS Online TPP Program

#Question id: 2685

#Unit 2. Cellular Organization

There are about 3 billion chemical base pairs in human DNA. Approximately what percent of these base pairs actually code for genes?
TLS Online TPP Program

#Question id: 3516

#Unit 8. Inheritance Biology

Cross allowed between pure line tall plant with pure line dwarf plant , all F1 having tall phenotype were allowed to self to produced  200 plant The number of F2 plant having pure line tall phenotype?
TLS Online TPP Program

#Question id: 18799

#Unit 13. Methods in Biology

Propidium iodide-labeled cells can be identify cells within the populations are at each stage of the cell cycle. After passing through flow cytometer a graph is observed
  
In this graph A, B, C, and D represent a cell stage which are
TLS Online TPP Program

#Question id: 7133

#Unit 5. Developmental Biology

In what way are mrf4, myoD, and the other muscle-inducing genes similar to the homeotic genes of Drosophila?
TLS Online TPP Program

#Question id: 12882

#General Aptitude

The radii of the base of two cylinders are in the ratio 3 : 5 and their heights in the ratio 2 : 3. The ratio of their curved surface will be :