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.

More Questions

#Question id: 8289

#Unit 9. Diversity of Life Forms

The term convergent evolution is most applicable to which of the following features?

#Question id: 10989

#Unit 7. System Physiology – Animal

What is the resting membrane potential of the sinus nodal fibers?

#Question id: 11472

#Unit 7. System Physiology – Animal

Sensory transduction of light in the vertebrate retina is accomplished by ________.

#Question id: 112

#Unit 1. Molecules and their Interaction Relevant to Biology

The major groups of lipids can be separated by silicic acid column chromatography by eluting with

#Question id: 5231

#Unit 11. Evolution and Behavior

Although quite different in structure, plants and animals share some basic similarities in their development, such as