Biochemical Techniques Quiz

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What is the primary purpose of biochemical techniques?

To separate mixtures of substances based on their affinities

To analyze the functions of biomolecules like proteins and nucleic acids (correct)

To study the history of biochemistry

To explore the latest research developments in the field of genetics

Which technique is commonly used for separating mixtures based on their affinities?

PCR

Spectrophotometry

Centrifugation

Chromatography (correct)

In centrifugation, particles are separated from a solution based on their:

Color

Pressure

Temperature

Size, shape, density, viscosity, and rotor speed (correct)

What is one common application of biochemical techniques in modern research?

Studying the genetic material and its functions Signup and view all the answers

Which technique is used to amplify a segment of DNA in molecular biology?

Polymerase chain reaction (PCR) Signup and view all the answers

What is the major difference between differential centrifugation and density-gradient centrifugation?

Separation based on density vs. separation based on size Signup and view all the answers

Which type of electrophoresis involves the movement of charged particles under an electric field?

Moving boundary electrophoresis Signup and view all the answers

What does spectrophotometry measure in a solution?

Concentration of solutes by light absorption Signup and view all the answers

Who was the first to identify DNA as a distinct molecule?

Oswald Avery Signup and view all the answers

Which scientist demonstrated that the enzyme urease was a pure protein and crystallized it?

James B. Sumner Signup and view all the answers

In what year did James Watson and Francis Crick derive the three-dimensional and double-helical model of DNA?

1953 Signup and view all the answers

What event marked the starting point for the birth of Biochemistry according to the text?

The demonstration that fermentation results from enzymes in yeast Signup and view all the answers

Biochemical Techniques Quiz

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Questions and Answers

What is the primary purpose of biochemical techniques?

Which technique is commonly used for separating mixtures based on their affinities?

In centrifugation, particles are separated from a solution based on their:

What is one common application of biochemical techniques in modern research?

Which technique is used to amplify a segment of DNA in molecular biology?

What is the major difference between differential centrifugation and density-gradient centrifugation?

Which type of electrophoresis involves the movement of charged particles under an electric field?

What does spectrophotometry measure in a solution?

Who was the first to identify DNA as a distinct molecule?

Which scientist demonstrated that the enzyme urease was a pure protein and crystallized it?

In what year did James Watson and Francis Crick derive the three-dimensional and double-helical model of DNA?

What event marked the starting point for the birth of Biochemistry according to the text?

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