Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 18802
TLS Online TPP Program

#Question id: 664

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

#XL - Q Biochemistry

  1. Their similarity to structures determined by NMR.

  2. The protein crystals are soluble in water.

  3. The proteins must align in a regular pattern to form a crystal.

  4. 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
TLS Online TPP Program

#Question id: 28120

#XL - U Food Technology

What is the purpose for blanching (immersing food in hot water) vegetables during canning?
TLS Online TPP Program

#Question id: 5745

#XL - S Microbiology

Consider a species with a diploid (2n) number of 16 chromosomes. How many chromosomes would be found in a trisomic body cell?
TLS Online TPP Program

#Question id: 3690

#XL - S Microbiology

The DNA polymerase is a template-directed enzyme that synthesizes new complementary strand from a parent strand but it requires the existing short nucleotide sequence for its elongation. Which of the following enzyme is required for the synthesis of this primer?
TLS Online TPP Program

#Question id: 11334

#XL - R Botany

To qualify as a biodiversity hotspot, a region must meet following two strict criteria
TLS Online TPP Program

#Question id: 762

#XL - Q Biochemistry

Regarding the sugar residues in nucleic acids, which, if any, of the following statements is incorrect?