WorksheetsMetabolic Reactions Review
Total questions: 15
Worksheet time: 15mins
Where do we get the glucose that our body uses in cellular respiration from?
The food we eat has glucose in it.
The air we breath is made of glucose.
Glucose is only found in table sugar.
We don't need glucose in our body.
What happens when our body burns calories?
Fat and water convert to oxygen, carbon dioxide, and energy.
Energy and oxygen convert to fat, carbon dioxide, and water.
Food and oxygen convert to carbon dioxide, water, and energy.
Water and carbon dioxide convert to fat, oxygen, and energy.
Match the following to the correct category.
Produces a new substance from an old one.
Can release energy.
carbohydrate -> sugar
fat -> fatty acid
protein -> amino acid
Only changes how something looks.
melting an ice cube
dissolving sugar into water
shredding paper
breaking an egg
saliva breaking down starch into glucose
chewing food
Any material/matter that can react with other substances so that it releases energy.
cells
villi
tissue
fuel
Place the following substances of cellular respiration in the appropriate category.
glucose
oxygen
energy
carbon dioxide
water
Match the large food molecules to the small molecules they get broken down into.
fats
fatty acids
proteins
amino acids
carbohydrates
sugars
Molecule that helps with body functions, such as digestion.
fiber
molecules
atoms
enzyme
The process of breaking down food molecules by chemical means in the stomach and physical means in the mouth.
product
cellular respiration
digestion
reactant
Which of the following is a catabolic reaction?
Photosynthesis
Protein synthesis
Glycolysis
DNA replication
What is the main purpose of cellular respiration?
To produce glucose
To convert solar energy into chemical energy
To generate ATP
To store energy in the form of fat
Which molecule is the final electron acceptor in the electron transport chain during aerobic respiration?
NADH
FADH2
Oxygen
Carbon dioxide
In which part of the cell does glycolysis occur?
Mitochondria
Cytoplasm
Nucleus
Endoplasmic reticulum
What is the primary function of enzymes in metabolic reactions?
To provide energy
To act as a reactant
To speed up chemical reactions
To change the products of the reaction
Which of the following is an example of an anabolic reaction?
Glycolysis
Photosynthesis
Fermentation
Lactic acid production
What is the role of ATP in cellular metabolism?
It acts as a catalyst
It stores and transfers energy
It breaks down glucose
It transports oxygen
