12 Questions
What is the primary purpose of biochemical techniques?
To analyze the functions of biomolecules like proteins and nucleic acids
Which technique is commonly used for separating mixtures based on their affinities?
Chromatography
In centrifugation, particles are separated from a solution based on their:
Size, shape, density, viscosity, and rotor speed
What is one common application of biochemical techniques in modern research?
Studying the genetic material and its functions
Which technique is used to amplify a segment of DNA in molecular biology?
Polymerase chain reaction (PCR)
What is the major difference between differential centrifugation and density-gradient centrifugation?
Separation based on density vs. separation based on size
Which type of electrophoresis involves the movement of charged particles under an electric field?
Moving boundary electrophoresis
What does spectrophotometry measure in a solution?
Concentration of solutes by light absorption
Who was the first to identify DNA as a distinct molecule?
Oswald Avery
Which scientist demonstrated that the enzyme urease was a pure protein and crystallized it?
James B. Sumner
In what year did James Watson and Francis Crick derive the three-dimensional and double-helical model of DNA?
1953
What event marked the starting point for the birth of Biochemistry according to the text?
The demonstration that fermentation results from enzymes in yeast
Explore analytical techniques used in biochemistry to study biomolecules and their functions. Dive into advanced research developments and applications in the field of biochemistry.
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