Which of the following does NOT describe a mechanism that cells use to regulate enzyme activities?

A. Cells control enzyme activity by phosphorylation and dephosphorylation.

B. Cells control enzyme activity by the binding of small molecules.

C. Cells control the rates of diffusion of substrates to enzymes.

D. Cells control the rates of enzyme degradation.

E. Cells control the rates of enzyme synthesis.

F. Cells control the targeting of enzymes to specific organelles. 

TLS Online TPP Program

#Question id: 7057

#Unit 5. Developmental Biology

Movement of mesodermal precursor regulated by the factor which is expressed in the primitive streak and repels migrating cells away from the streak. The factor is:

TLS Online TPP Program

#Question id: 18005

#Unit 9. Diversity of Life Forms

Which structure is common to both gymnosperms and angiosperms? 

TLS Online TPP Program

#Question id: 2749

#Unit 2. Cellular Organization

Approximately what proportion of the human genome is made up of repetitive DNA sequences?

TLS Online TPP Program

#Question id: 5412

#General Aptitude

The Average age of a cricket team reduces by 3 when two senior players aged 37 and 38 are replaced by 2 youngsters are equal age .what is the age of this players ?

TLS Online TPP Program

#Question id: 12301

#Unit 7. System Physiology – Animal

Which of the following would likely lead to hyponatremia?