Practice Questions

TLS Online TPP Program

#Question id: 664

Which is evidence that structures for proteins determined by X-ray crystallography represent the structures in solution?

#Unit 1. Molecules and their Interaction Relevant to Biology

Their similarity to structures determined by NMR.
The protein crystals are soluble in water.
The proteins must align in a regular pattern to form a crystal.
Only one conformation is ever possible for a protein so it is irrelevant whether the protein is in a crystal or in solution.

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TLS Online TPP Program

#Question id: 12651

#Unit 6. System Physiology – Plant

Which one of the following compound of octadecanoid pathway produces in chloroplast and transported into the peroxisome for further processing?

TLS Online TPP Program

#Question id: 10519

#Unit 6. System Physiology – Plant

Which of the following toxins derived from the fungus Cochliobolus carbonum inhibits specific histone deacetylases in maize?

TLS Online TPP Program

#Question id: 2995

#Unit 2. Cellular Organization

Which of the following incorrect pair?

TLS Online TPP Program

#Question id: 6962

#Unit 5. Developmental Biology

In which way is the organizer region of the sea urchin similar to that in frogs?

TLS Online TPP Program

#Question id: 16317

#Unit 7. System Physiology – Animal

Developmental stress: