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Questions and Answers
What is the primary focus of molecular biology?
What is the primary focus of molecular biology?
- Understanding cellular metabolism
- Exploring the behavior of organisms
- Studying the structure and function of genes (correct)
- Examining ecological interactions
Which of the following best describes biotechnology?
Which of the following best describes biotechnology?
- The use of living systems to develop products (correct)
- A method for analyzing DNA sequences
- A procedure for genetic mutation isolation
- A technique for fossil record examination
In molecular biology, what is the role of RNA?
In molecular biology, what is the role of RNA?
- It acts as a messenger between DNA and protein synthesis (correct)
- It encodes genetic information in chromosomes
- It catalyzes biochemical reactions
- It provides structural support to the cell
What type of molecules are proteins primarily composed of?
What type of molecules are proteins primarily composed of?
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Which technique is commonly used in molecular biology to amplify DNA?
Which technique is commonly used in molecular biology to amplify DNA?
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Study Notes
Molecular Biology Focus
- Primarily studies the interactions between DNA, RNA, and proteins.
- Aims to understand the molecular mechanisms of biological processes.
Description of Biotechnology
- Utilizes living organisms or their components to develop products and technologies.
- Includes applications in medicine, agriculture, and environmental management.
Role of RNA in Molecular Biology
- Functions as a messenger carrying genetic information from DNA to protein synthesis sites.
- Plays a crucial role in gene regulation and expression.
Composition of Proteins
- Primarily composed of amino acids linked by peptide bonds.
- Contains 20 different standard amino acids coded by genetic sequences.
DNA Amplification Technique
- Polymerase Chain Reaction (PCR) is widely used to rapidly replicate specific DNA sequences.
- Essential for applications in genetics, forensics, and medical diagnostics.
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