Podcast
Questions and Answers
What is the primary purpose of biochemical techniques?
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?
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:
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?
What is one common application of biochemical techniques in modern research?
Which technique is used to amplify a segment of DNA in molecular biology?
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?
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?
Which type of electrophoresis involves the movement of charged particles under an electric field?
What does spectrophotometry measure in a solution?
What does spectrophotometry measure in a solution?
Who was the first to identify DNA as a distinct molecule?
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?
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?
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?
What event marked the starting point for the birth of Biochemistry according to the text?
Flashcards
What is the primary purpose of biochemical techniques?
What is the primary purpose of biochemical techniques?
To analyze the functions of biomolecules like proteins and nucleic acids.
What is chromatography used for?
What is chromatography used for?
A technique used to separate mixtures based on their affinities for a stationary phase.
How does centrifugation work?
How does centrifugation work?
In centrifugation, particles are separated based on their size, shape, density, viscosity, and rotor speed.
What is one common application of biochemical techniques in modern research?
What is one common application of biochemical techniques in modern research?
Signup and view all the flashcards
What is PCR (Polymerase Chain Reaction)?
What is PCR (Polymerase Chain Reaction)?
Signup and view all the flashcards
What is the difference between differential and density-gradient centrifugation?
What is the difference between differential and density-gradient centrifugation?
Signup and view all the flashcards
What is moving boundary electrophoresis?
What is moving boundary electrophoresis?
Signup and view all the flashcards
What does spectrophotometry measure?
What does spectrophotometry measure?
Signup and view all the flashcards
Who was the first to identify DNA as a distinct molecule?
Who was the first to identify DNA as a distinct molecule?
Signup and view all the flashcards
Who was the first to crystallize an enzyme?
Who was the first to crystallize an enzyme?
Signup and view all the flashcards
When did Watson and Crick discover the double-helix structure of DNA?
When did Watson and Crick discover the double-helix structure of DNA?
Signup and view all the flashcards
What event marked the starting point for the birth of Biochemistry?
What event marked the starting point for the birth of Biochemistry?
Signup and view all the flashcards
