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TLS Online TPP Program

#Question id: 564

A good transition-state analog:

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. binds covalently to the enzyme.

  2. binds to the enzyme more tightly than the substrate.

  3. binds very weakly to the enzyme.

  4. is too unstable to isolate.

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TLS Online TPP Program

#Question id: 1860

#Unit 4. Cell Communication and Cell Signaling

Mendelian susceptibility to mycobacterial infection does NOT involve the gene for:
TLS Online TPP Program

#Question id: 34129

#Unit 7. System Physiology – Animal

Mole for mole, which of the following has the greatest effect on plasma osmolality?
TLS Online TPP Program

#Question id: 28626

#Unit 2. Cellular Organization

At which phase of APC/C bound to Cdh1 targets protein for degradation? 
TLS Online TPP Program

#Question id: 24445

#Unit 13. Methods in Biology

An electrocardiogram is a painless, noninvasive way to help diagnose many common heart problems. Which of the following would not diagnose by ECG?
TLS Online TPP Program

#Question id: 5815

#Unit 8. Inheritance Biology

In the Ames test: