Phenyl-methane-sulfonyl-fluoride (PMSF) inactivates serine proteases by binding covalently to the catalytic serine residue at the active site; this enzyme-inhibitor bond is not cleaved by the enzyme.  This is an example of what kind of inhibition?

TLS Online TPP Program

#Question id: 5014

#Unit 11. Evolution and Behavior

 Following geological time period and major evolutionary event?

I. Devonian                            A. Gymnosperms dominant

II. Jurassic                               B. Amphibians diversify; first reptiles

III. Carboniferous                  C. Mammals appear

IV. Triassic                           D. Seed plants appear

TLS Online TPP Program

#Question id: 11660

#Unit 10. Ecological Principles

Which of the following statements about the succession is true?

TLS Online TPP Program

#Question id: 929

#Unit 1. Molecules and their Interaction Relevant to Biology

During B oxidation of fatty acids, ___________ is produced in peroxisomes but not in mitochondria.

TLS Online TPP Program

#Question id: 11645

#Unit 7. System Physiology – Animal

Which of the following is inconsistent with the diagnosis of Graves’ disease?

TLS Online TPP Program

#Question id: 11666

#Unit 7. System Physiology – Animal

The osmoregulatory process called secretion refers to the ________.