Exploring Macromolecules and Enzyme Function

The video tutorial by Mrs. Wages covers the basics of organic molecules, focusing on the four major macromolecules: proteins, carbohydrates, nucleic acids, and lipids. It explains their structure, functions, and examples. The role of enzymes in catalyzing chemical reactions is discussed, highlighting how they speed up reactions by lowering activation energy. The tutorial also provides guidance on graphing scientific information, emphasizing the importance of clear labeling and accurate representation of data.

What are the smaller building blocks of polymers called?

• Monomers

• Polysaccharides

• Nucleotides

• Amino acids

Which of the following is NOT a polymer?

• Lipids

• Carbohydrates

• Nucleic acids

• Proteins

What is the main function of carbohydrates in living organisms?

• Form cell membranes

• Main source of energy

• Speed up chemical reactions

• Store genetic information

Which macromolecule is primarily found in foods like meats and dairy products?

• Nucleic acids

• Proteins

• Lipids

• Carbohydrates

What is the role of enzymes in cells?

• Transmit genetic information

• Store energy

• Form cell membranes

• Catalyze chemical reactions

What is the substrate in a chemical reaction?

• The enzyme

• The product

• The reactant

• The catalyst

Which environmental factor does NOT influence enzyme activity?

• Temperature

• pH

• Light

• Substrate concentration

What happens to the bonds of the substrate when it interacts with an enzyme?

• They become stronger

• They become weaker

• They break immediately

• They remain unchanged

Which axis represents the independent variable in a graph?

• None of the above

• X-axis

• Y-axis

• Z-axis

What should be included in a graph to ensure clarity?

• Title

• Labeled axes

• Evenly spaced intervals

• All of the above