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TLS Online TPP Program

#Question id: 552

Which of the following is true of the binding energy derived from enzyme-substrate interactions?

#1. Molecules and their Interaction Relevant to Biology

  1. It cannot provide enough energy to explain the large rate accelerations brought about by enzymes.

  2. It is sometimes used to hold two substrates in the optimal orientation for reaction.

  3. It is the result of covalent bonds formed between enzyme and substrate.

  4. Most of it is derived from covalent bonds between enzyme and substrate.

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TLS Online TPP Program

#Question id: 19221

#12. Applied Biology

Which gene is added downstream from the left border to prevent unwanted vector DNA past the left border from being incorporated into transgenic plants.
TLS Online TPP Program

#Question id: 23739

#Aptitude

(a) Those who are honest are good teachers.
(b) Hard working people are honest
Inference: Hard work is the necessary quality of a good teacher.
TLS Online TPP Program

#Question id: 832

#1. Molecules and their Interaction Relevant to Biology

Ubiquitin-protein ligase (E3) are members of two unrelated families, those containing domain known as,
TLS Online TPP Program

#Question id: 18897

#13. Methods in Biology

A radioactive compound having Low energy ß Used in genetics and molecular biology research.
TLS Online TPP Program

#Question id: 562

#1. Molecules and their Interaction Relevant to Biology

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?