BIO1002 Introduction to Biology: The Structure and Function of Macromolecules
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Questions and Answers

What is the instrument used by scientists to study cells?

  • Spectrometer
  • Microscope (correct)
  • Thermometer
  • Telescope

What is the function of DNA in controlling cellular activities?

  • Producing energy
  • Maintaining cell shape
  • Turning genes 'on' or 'off' (correct)
  • Regulating temperature

In microscopy, what is the term for the degree of enlargement of an object?

  • Refraction
  • Magnification (correct)
  • Resolution
  • Contrast

Which parameter in microscopy determines the clarity and crispness of an image?

<p>Resolution (D)</p> Signup and view all the answers

What is the correlation between cell structure and function?

<p>Cell structure is correlated to cellular function (C)</p> Signup and view all the answers

What is the main function of ribosomes in a cell?

<p>Serve as protein factories (B)</p> Signup and view all the answers

What is the function of chloroplasts in a cell?

<p>Carry out photosynthesis (D)</p> Signup and view all the answers

Which type of cell lacks a membrane-enclosed nucleus?

<p>Prokaryotic cells (D)</p> Signup and view all the answers

What organelle serves as the biosynthetic factory in a cell?

<p>Endoplasmic reticulum (B)</p> Signup and view all the answers

Which structure is common to both animal and plant cells?

<p>Cell wall (C)</p> Signup and view all the answers

What are the four important types of macromolecules mentioned in the text?

<p>Lipids, Carbohydrates, Proteins, Nucleic acids (B)</p> Signup and view all the answers

What is a polymer?

<p>A long molecule consisting of many similar building blocks called monomers (B)</p> Signup and view all the answers

How do monomers form larger molecules in macromolecules?

<p>By condensation reactions called dehydration reactions (C)</p> Signup and view all the answers

Which type of fatty acids have the maximum number of hydrogen atoms and no double bonds?

<p>Saturated fatty acids (B)</p> Signup and view all the answers

What is the main storage form of glucose in animals?

<p>Glycogen (B)</p> Signup and view all the answers

Which structural polysaccharide is difficult to digest and found in plant cell walls?

<p>Cellulose (D)</p> Signup and view all the answers

Phospholipids have a bilayer arrangement found in which cellular structures?

<p>Cell membranes (A)</p> Signup and view all the answers

Which type of biological molecule does not consist of polymers?

<p>Lipids (C)</p> Signup and view all the answers

What type of macromolecule serves as a fuel and building material in living organisms?

<p>Carbohydrates (D)</p> Signup and view all the answers

Which type of biological molecule acts as catalysts, speeding up chemical reactions?

<p>Enzymes (A)</p> Signup and view all the answers

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