SMBM 102: Biochemistry Introduction
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SMBM 102: Biochemistry Introduction

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Questions and Answers

What is a compound?

  • A substance containing atoms of two or more different elements (correct)
  • A substance containing atoms of the same element
  • A molecule of oxygen
  • A mixture of water and minerals
  • What is the main topic of the SMBM 102 course?

  • Organic Chemistry
  • Human Anatomy
  • Human Body Systems
  • Introduction to Biochemistry (correct)
  • What is a molecule?

  • A type of carbohydrate
  • A group of atoms joined together (correct)
  • A type of enzyme
  • A type of fat
  • What is NOT a topic covered in SMBM 102?

    <p>Human anatomy</p> Signup and view all the answers

    What is the chemical composition of water?

    <p>H2O</p> Signup and view all the answers

    What is a recommended textbook for SMBM 102?

    <p>Harper's Illustrated Biochemistry</p> Signup and view all the answers

    What is the topic of 'chemical compounds' referring to in SMBM 102?

    <p>Substances containing atoms of two or more different elements</p> Signup and view all the answers

    What is NOT a type of biochemical compound covered in SMBM 102?

    <p>Vitamins</p> Signup and view all the answers

    What percentage of the human body is composed of the six main elements?

    <p>Almost 99%</p> Signup and view all the answers

    What is the principal fluid medium of the cell?

    <p>Water</p> Signup and view all the answers

    What is the function of water in chemical reactions?

    <p>It participates in chemical reactions</p> Signup and view all the answers

    What is the percentage of the human body composed of the five additional elements?

    <p>0.85%</p> Signup and view all the answers

    What are the five basic substances that protoplasm is composed of?

    <p>Water, electrolytes, proteins, lipids, and carbohydrates</p> Signup and view all the answers

    What is the role of minerals in the human body?

    <p>They are involved in whole body homeostasis</p> Signup and view all the answers

    What is a characteristic of water as a solvent?

    <p>It is an excellent solvent</p> Signup and view all the answers

    What is a property of water in terms of heat?

    <p>It absorbs and releases heat very slowly</p> Signup and view all the answers

    Study Notes

    Introduction to Biochemistry

    • Biochemistry is the study of the chemical composition of the human body

    Chemical Composition of the Human Body

    • The human body is composed of six main elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus (almost 99% of the body's mass)
    • Five additional elements are necessary for life: potassium, sulfur, sodium, chlorine, and magnesium (about 0.85% of the body's mass)
    • The remaining elements are present in smaller amounts (trace elements)

    Levels of Structural Organization in the Human Body

    • The human body is organized into several levels: atoms, molecules, compounds, cells, tissues, organs, and organ systems

    Compounds

    • A compound is a substance containing atoms of two or more different elements
    • Examples of compounds in the human body: water (H2O), proteins, carbohydrates, fats, and oils

    Molecules

    • A molecule is a group of atoms bonded together
    • Examples of molecules in the human body: oxygen (O2)

    Atoms

    • An atom is the smallest unit of matter
    • Atoms are the building blocks of molecules and compounds

    Water

    • Water is the principal fluid medium of the cell (70-85% of cell composition)
    • Water is an excellent solvent, participates in chemical reactions, absorbs and releases heat slowly, and serves as a lubricant
    • Properties of water:
      • Excellent solvent
      • Participates in chemical reactions
      • Absorbs and releases heat slowly
      • Requires a large amount of heat to change from a liquid to a gas
      • Serves as a lubricant

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    Description

    This quiz covers the introduction to biochemistry and the human body, recommended textbooks included. Topics may include biochemistry principles, human body systems, and more.

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