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Science
9th -
12thgrade
Georgia Biology Standards: SB1c: Macromolecules
20 questions
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- 1. Multiple Choice
Plants and animals are composed of organic compounds. Which of the following are the common elements found in organic compounds?
iron, oxygen, nickel, copper
sodium, potassium, gold, hydrogen
helium, neon, argon, krypton
carbon, hydrogen, oxygen, nitrogen
- 2. Multiple Choice
One category of organic compounds contains molecules composed of long hydrocarbon chains. They hydrocarbon chains may be saturates or unsaturated.
Which of the following categories of organic compounds contain these molecules?
Carbohydrates
Lipids
Nucleic acids
Proteins
- 3. Multiple Choice
Most carbohydrates in the human body are
used as building blocks for proteins
used as catalysts for reactions in cells
consumed as a source of energy
Not easily absorbed into the bloodstream
- 4. Multiple Choice
Many aquatic birds secrete a waxy organic substance that repel water. The birds use these substances to coat their feathers. An analysis of these substances would reveal that they are composed mainly of
lipids
proteins
carbohydrates
nucleic acids
- 5. Multiple Choice
Which of the following is the main reason that human need to include carbohydrates in their diet?
Carbohydrates are broken down in cells for energy.
Carbohydrates combine to form many different proteins.
Carbohydrates act as catalysts to speed up chemical reactions.
Carbohydrates are the building blocks for cell growth and repair.
- 6. Multiple Choice
Use the diagram to answer the question.
Between the two food samples, which one would be better to consume before a big race and why?
Sample A - because it contains a lot of carbohydrates
Sample B - because it contains a lot of proteins
Sample A - because it contains a lot of fats
Sample B - because it contains a lot of nucleic acids
- 7. Multiple Choice
Use the chart to answer the question.
Which three (3) foods in the chart would not help you build muscles?
Apple, Chocolate bar, Potato chips
Eggs, Skinless roasted turkey, 2% milk (1 cup)
Bacon, Eggs, Potato chips, Chocolate
Sourdough, Eggs, Chocolate, Apple
- 8. Multiple Choice
Use the chart to answer the question.
How many calories do 2 medium size apples contain?
44 calories
88 calories
176 calories
200 calories
300 calories
- 9. Multiple Choice
Which macromolecule provides long-term energy storage?
Carbohydrates
Lipids
Proteins
Nucleic acids
- 10. Multiple Choice
Use the graph to answer the question.
What is the optimal pH for Pepsin and Trypsin?
Pepsin = 3; Trypsin = 10
Pepsin = 3; Trypsin = 8.3
Pepsin = 4; Trypsin = 10
Pepsin = 4; Trypsin = 8.3
- 11. Multiple Choice
Use the graph to answer the question.
Between the two enzymes, which one is more active in an acidic solution and which one is more active in an alkaline solution?
Both enzymes are equally active in an alkaline solution.
Pepsin is more active in an acidic solution; Trypsin is more active in an alkaline solution
Both enzymes are equally active in an acidic solution.
Pepsin is more active in an alkaline solution; Trypsin is more active in an acidic solution
- 12. Multiple Choice
Enzyme (1) works best in...
High temperature solution
Low temperature solution
Neutral pH solution
Neutral pH solution
- 13. Multiple Choice
Enzyme (2) works best in...
High temperature solution
Low temperature solution
Neutral pH solution
Neutral pH solution
- 14. Multiple Choice
Enzyme (3) works best in...
High temperature solution
Low temperature solution
Neutral pH solution
High pH
- 15. Multiple Choice
Look at each of the enzymes in the chart. When each of the enzymes are at their "peak", what does that mean for enzyme activity?
The enzymes is slowing down
The enzyme is being broken down the fastest
The enzyme is breaking down substrates the fastest
The enzyme is stable and not moving
- 16. Multiple Choice
An amoeba in a pond engulfs and consumes a paramecium. The amoeba uses which of the following to quickly break down the organic molecules in the paramecium?
Enzymes
Glucose
Polysaccharides
Water
- 17. Multiple Choice
All living things contain which element?
Helium
Sodium
Copper
Carbon
- 18. Multiple Choice
All of the following are organic molecules except
Protein
Lipid
Carbohydrate
Salt
- 19. Multiple Choice
A student preparing to run in a school track competition. For the quickest source of energy, the student should eat a food that contains a high percentage of
Carbohydrates
Fat
Proteins
Sodium
- 20. Multiple Choice
Which type of macro-molecule in the yolk of a chicken egg provides the most energy for a developing chick?
Lipids
Nucleic acids
Proteins
Carbohydrates
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