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Science
9th -
12thgrade
Georgia Biology Standards: SB1c: Macromolecules
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20 questions
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- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
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.
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
Use the chart to answer the question.
Which three (3) foods would allow you to access quick energy?
Apple, Bacon, Chocolate bar
Apple, Chocolate bar, Sourdough bread
Apple, milk, bacon
Apple, Potato chips, Eggs
- Multiple ChoicePlease save your changes before editing any questions.
Which macromolecule provides long-term energy storage?
Carbohydrates
Lipids
Proteins
Nucleic acids
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
Enzyme (1) works best in...
High temperature solution
Low temperature solution
Neutral pH solution
Neutral pH solution
- Multiple ChoicePlease save your changes before editing any questions.
Enzyme (2) works best in...
High temperature solution
Low temperature solution
Neutral pH solution
Neutral pH solution
- Multiple ChoicePlease save your changes before editing any questions.
Enzyme (3) works best in...
High temperature solution
Low temperature solution
Neutral pH solution
Neutral pH solution
- Multiple ChoicePlease save your changes before editing any questions.
Enzyme (4) works best in...
High temperature solution
Low temperature solution
Neutral pH solution
Neutral pH solution
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
All living things contain which element?
Helium
Sodium
Copper
Carbon
- Multiple ChoicePlease save your changes before editing any questions.
All of the following are organic molecules except
Protein
Lipid
Carbohydrate
Salt
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
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