Biochemistry Slides

Open Ended

Why is it important to understand the chemical reactions and compounds that make up living organisms?

Fill in the Blank

A molecule that contains both carbon and hydrogen atoms is called an ___ molecule.

Multiple Select

Which of the following are examples of inorganic molecules?

• H2O

• C6H12O6

• NH2CONH2

• CO2

Multiple Choice

What is the difference between organic and inorganic molecules based on their composition?

• Organic molecules contain both carbon and hydrogen atoms, while inorganic molecules do not contain both together.

• Organic molecules contain only oxygen and hydrogen atoms, while inorganic molecules contain only carbon.

• Organic molecules are always larger than inorganic molecules.

• Inorganic molecules always contain nitrogen atoms.

Multiple Choice

What information does a molecular formula provide about a molecule?

• The types and numbers of atoms in a molecule

• The shape of the molecule

• The color of the molecule

• The physical state of the molecule

Multiple Choice

Which diagram shows how atoms are arranged in a molecule?

• Structural formula

• Molecular equation

• pH scale

• Periodic table

Fill in the Blank

Name the four elements that make up 99% of the human body.

Multiple Select

Which of the following are major groups of organic molecules found in living things?

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids

Fill in the Blank

A solution with a pH of 5 is classified as a ___ acid.

Open Ended

Explain how the pH scale is used to classify substances as acids, bases, or neutral.

Multiple Choice

Which of the following substances is considered neutral on the pH scale?

• Pure water

• Lemon juice

• Bleach

• Black coffee

Open Ended

What is the difference between an inorganic and organic molecule?

Multiple Choice

Would a substance be considered an acid, base, or neutral if it has a pH of 11?

• Acid

• Base

• Neutral

• Salt

Multiple Select

Which foods shown are rich in carbohydrates? Select all that apply.

• Bananas

• Bread

• Eggs

• Corn

Multiple Choice

What is the primary function of carbohydrates in living organisms?

• Primary energy source

• Genetic information storage

• Cell membrane structure

• Hormone production

Fill in the Blank

The molecular formula for a monosaccharide is C6H12___.

Multiple Choice

Which polysaccharide is responsible for storing glucose in animals?

• Starch

• Cellulose

• Glycogen

• Fiber

Multiple Choice

Which polysaccharide has a straight, unbranched structure as shown in the diagram?

• Starch

• Glycogen

• Fiber

• Cellulose

Multiple Choice

Which of the following foods is most likely to be a good source of lipids?

• Bread

• Olive oil

• Apple

• Lettuce

Multiple Select

Which of the following are functions of lipids?

• Stored Energy

• Insulation

• Protection

• Enzyme Catalysis

Fill in the Blank

The building blocks of lipids are glycerol and ___ fatty acids.

Open Ended

What questions do you still have about the role of biochemistry in physical activities or sports?

Open Ended

How does biochemistry help us understand how the human body is able to play sports?