Atoms, Molecules, and Body Mass Elements
22 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which level of human structure is the simplest according to the text?

  • Atoms (correct)
  • Tissue
  • Organelle
  • Cell
  • What is the major function of the Integumentary system?

  • Synthesize hormones
  • Protects the body from the external environment (correct)
  • Regulate body temperature
  • Assist in digestion
  • In which fluid compartment does the intracellular fluid (ICF) reside?

  • Intracellular fluid (ICF) (correct)
  • Plasma
  • Interstitial fluid (IF)
  • Extracellular fluid (ECF)
  • What is the volume of Total body water in an average adult human as mentioned in the text?

    <p>40 L</p> Signup and view all the answers

    Which of the following is NOT considered a part of the Macroscopic level of human structure?

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

    What is the term used for components dissolved in the solvent in a solution?

    <p>Solute(s)</p> Signup and view all the answers

    What is the molecular formula for glucose?

    <p>C6H12O6</p> Signup and view all the answers

    Which type of chemical reaction involves the breakdown of complex molecules into simpler ones?

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

    What is the function of enzymes in chemical reactions?

    <p>Increase the rate of reactions</p> Signup and view all the answers

    Which of the following is an example of an inorganic molecule?

    <p>Sodium Chloride</p> Signup and view all the answers

    What type of ions have a positive charge?

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

    Which statement about pH is correct?

    <p>Low hydrogen ion concentration indicates acidity</p> Signup and view all the answers

    What is the normal range for plasma pH?

    <p>7.35 - 7.45</p> Signup and view all the answers

    Which macromolecule class is responsible for providing long-term energy storage, thermal insulation, and protection from mechanical trauma?

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

    Which macromolecule class encodes genes and carries hereditary information?

    <p>Nucleic Acids</p> Signup and view all the answers

    What is the primary function of ATP (Adenosine triphosphate)?

    <p>Cellular energy storage and release</p> Signup and view all the answers

    Which type of protein is known for its elongated, strand-like structure and stability?

    <p>Fibrous proteins</p> Signup and view all the answers

    What can cause a protein to denature and lose its shape?

    <p>High temperature</p> Signup and view all the answers

    What can happen if internal conditions are outside the normal range?

    <p>Leads to cell malfunction</p> Signup and view all the answers

    Which macromolecule class provides easily accessible energy storage in cells?

    <p>Nucleic Acids</p> Signup and view all the answers

    'Cell membranes' are primarily composed of which type of lipid?

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

    Which macromolecule class provides structural material for the body?

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

    More Like This

    Atoms and Molecules Quiz
    3 questions
    Atoms and Molecules Quiz
    3 questions

    Atoms and Molecules Quiz

    AdmiringRubellite avatar
    AdmiringRubellite
    Atoms and Molecules Class 9 Science
    5 questions
    Use Quizgecko on...
    Browser
    Browser