Which organic molecule would a long-distance runner most likely choose to eat two hours before a race?
Biomolecules Test Review

Quiz
•
Biology
•
9th - 12th Grade
•
Medium
Keshiyena Pieters
Used 51+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A protein, because it builds muscle mass.
A lipid because it provides long term energy storage.
A carbohydrate because it releases energy quickly.
A protein, because it transports oxygen into the blood stream.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are the functions of a carbohydrate and a lipid similar?
Both are a source of energy.
Both are replicated during meiosis.
Both lower the activation energy of reactions.
Both dissolve nutrients in the digestive system.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the “lock and key” analogy often used to describe enzyme function?
Each enzyme is the same as its substrate.
Each enzyme will fit with only one specific kind of substrate.
Each enzyme can only be used once in a reaction and cannot be used again.
Each enzyme has its own active site that will not fit with other active sites.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Some individuals are unable to digest the lactose found in the milk of cows. The digestive systems of these individuals MOST likely lack which?
a lipid that coats lactose molecules
an ability to produce lactose internally
an enzyme that catalyzes lactose breakdown
a tolerance to lactose developed during childhood
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are proteins important to the survival of animals?
Proteins provide the body with quick-energy.
Proteins provide insulation.
Proteins provide genetic information to cells.
Proteins provide muscle fiber for the body
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the “lock and key” analogy often used to describe enzyme function?
Each enzyme is the same as its substrate.
Each enzyme will fit with only one specific kind of substrate.
Each enzyme can only be used once in a reaction and cannot be used again.
Each enzyme has its own active site that will not fit with other active sites.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following foods is highest in polysaccharides?
Broccoli
Potatoes
Cheese
Fish
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