20 Questions
What is the instrument used by scientists to study cells?
Microscope
What is the function of DNA in controlling cellular activities?
Turning genes 'on' or 'off'
In microscopy, what is the term for the degree of enlargement of an object?
Magnification
Which parameter in microscopy determines the clarity and crispness of an image?
Resolution
What is the correlation between cell structure and function?
Cell structure is correlated to cellular function
What is the main function of ribosomes in a cell?
Serve as protein factories
What is the function of chloroplasts in a cell?
Carry out photosynthesis
Which type of cell lacks a membrane-enclosed nucleus?
Prokaryotic cells
What organelle serves as the biosynthetic factory in a cell?
Endoplasmic reticulum
Which structure is common to both animal and plant cells?
Cell wall
What are the four important types of macromolecules mentioned in the text?
Lipids, Carbohydrates, Proteins, Nucleic acids
What is a polymer?
A long molecule consisting of many similar building blocks called monomers
How do monomers form larger molecules in macromolecules?
By condensation reactions called dehydration reactions
Which type of fatty acids have the maximum number of hydrogen atoms and no double bonds?
Saturated fatty acids
What is the main storage form of glucose in animals?
Glycogen
Which structural polysaccharide is difficult to digest and found in plant cell walls?
Cellulose
Phospholipids have a bilayer arrangement found in which cellular structures?
Cell membranes
Which type of biological molecule does not consist of polymers?
Lipids
What type of macromolecule serves as a fuel and building material in living organisms?
Carbohydrates
Which type of biological molecule acts as catalysts, speeding up chemical reactions?
Enzymes
This quiz covers the overview of macromolecules in biology, including the types of lipids, carbohydrates, proteins, and nucleic acids. It discusses how small organic molecules are joined to form large, complex structures essential for life.
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