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BIO1002 Introduction to Biology: The Structure and Function of Macromolecules

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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?

Resolution Signup and view all the answers

What is the correlation between cell structure and function?

Cell structure is correlated to cellular function Signup and view all the answers

What is the main function of ribosomes in a cell?

Serve as protein factories Signup and view all the answers

What is the function of chloroplasts in a cell?

Carry out photosynthesis Signup and view all the answers

Which type of cell lacks a membrane-enclosed nucleus?

Prokaryotic cells Signup and view all the answers

What organelle serves as the biosynthetic factory in a cell?

Endoplasmic reticulum Signup and view all the answers

Which structure is common to both animal and plant cells?

Cell wall Signup and view all the answers

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

Lipids, Carbohydrates, Proteins, Nucleic acids Signup and view all the answers

What is a polymer?

A long molecule consisting of many similar building blocks called monomers Signup and view all the answers

How do monomers form larger molecules in macromolecules?

By condensation reactions called dehydration reactions Signup and view all the answers

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

Saturated fatty acids Signup and view all the answers

What is the main storage form of glucose in animals?

Glycogen Signup and view all the answers

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

Cellulose Signup and view all the answers

Phospholipids have a bilayer arrangement found in which cellular structures?

Cell membranes Signup and view all the answers

Which type of biological molecule does not consist of polymers?

Lipids Signup and view all the answers

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

Carbohydrates Signup and view all the answers

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

Enzymes Signup and view all the answers