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Lecture 1 : Introduction in Biochemistry

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19 Questions

Which of the following is NOT an area related to biochemistry?

Geology

What is the study of the structure and function of enzymes called?

Enzymology

Which area of biochemistry is concerned with the study of drugs and their effects on living organisms?

Pharmacology

What is the study of the structure and function of proteins called?

Protein structure

Which area of biochemistry involves the use of computational methods to analyze and interpret biological data?

Bioinformatics

What is a key function of RNA?

Carrying out structural and enzymatic functions

What are nucleic acid analogs used for?

Inhibiting DNA synthesis

Which diseases are mentioned as being managed using nucleic acid analogs?

Cancers and AIDS

Based on the information provided, which of the following statements is true?

Nucleotides play a crucial role in disease management

What is the major energy currency of the cell?

ATP

Which molecule plays key roles in information transfer in all organisms?

Nucleotides

What does nucleotides synthesis?

RNA and DNA

What are nucleic acids which are macromolecules composed of?

Nucleotide monomer units

Which components make up a nucleotide?

A Nitrogenous base, one or more phosphate groups, and a monosaccharide

Which component is NOT a part of a nucleotide?

Lipids

Which of the following is NOT a biomedical importance of proteins?

Regulating gene expression

Which of the following is NOT a biomedical importance of proteins?

Photosynthesis

What are amino acids primarily known as?

Building blocks of polypeptide chains of proteins

Which molecules contain polypeptide chains made up of amino acids?

Proteins

Study Notes

Nucleic Acids and Nucleotides

  • Nucleic acids are composed of nucleotide monomer units.
  • Nucleotides are composed of a monosaccharide, a nitrogenous base, and one or more phosphate groups.

Biomedical Importance of Proteins

  • Proteins have structural and mechanical functions.
  • Proteins act as enzymes, hormones, and antibodies.
  • Proteins play a role in fluid balance, acid-base balance, and transport.
  • Proteins are involved in channel and pump functions.

Amino Acids

  • Amino acids are the building blocks of polypeptide chains of proteins.

Biomedical Importance of Nucleotides

  • ATP is the major energy currency of the cell.
  • Nucleotides play a key role in information transfer in all organisms (DNA → RNA → protein).
  • Nucleotides are involved in RNA and DNA synthesis.
  • RNA can carry out structural and enzymatic functions.
  • Nucleic acid analogs are used to inhibit DNA synthesis and are important in managing cancers and virally caused diseases like AIDS.

Areas Related to Biochemistry

  • Biochemistry involves molecular biology, toxicology, metabolism, enzymology, protein structure, bioinformatics, pharmacology, and cancer biology.

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