EOC Review Quiz 2 Apr 20

Scientists have been measuring increasing levels of greenhouse gases in Earth's atmosphere. How do the increasing levels affect ecosystems?

• Ecosystems are warming in tropical regions and staying about the same elsewhere.

• Ecosystems are warming in the interiors of continents and cooling along coastlines.

• Ecosystems are warming in polar regions and staying about the same elsewhere.

• Ecosystems are warming in all locations on land and in water.

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Antibodies are composed primarily of amino acids. In which class of biomolecules would antibodies belong?

• Proteins

• Lipids

• Nucleic Acids

• Carbohydrates

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Which tool is best for a student to use to observe mitosis in an onion root tip?

• Gel electrophoresis chamber

• Microscope

• Triple beam balance

• Flask

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An aquatic food chain is shown below.

Algae --> Zooplankton --> Minnow --> Perch --> Hawk

What would most likely result if a waterborne bacteria caused the death of most of the minnow population?

• Decrease in both algae and zooplankton population

• Increase in both perch and hawk population

• Increase in both zooplankton and perch population

• Decrease in both perch and hawk population

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During the process of protein synthesis, a section of the DNA molecule is copied into which other molecule?

• nucleic DNA

• messenger RNA

• cytoplasmic DNA

• transfer RNA

The enzyme catalase is involved in the breakdown of hydrogen peroxide into water and oxygen. During this reaction, the catalase

• is unchanged

• is changed into a product

• is used up

• is formed into a new enzyme

Michelle encloses a mouse in a sealed terrarium. The terrarium contains sufficient water for the mouse to drink and dried seeds for food. After several hours, the mouse dies. Which statement provides the most likely explanation for the death of the mouse?

• The mouse exhausted the supply of oxygen, which in nature is restored by photosynthesis.

• The mouse was poisoned by the high nitrogen content of the air, which in

  nature is reduced by nitrogen fixation.

• The mouse exhausted the supply of carbon dioxide, which in nature is restored by photosynthesis.

• The mouse was poisoned by the high carbon dioxide content of the water,

  which in nature is reduced by photosynthesis.

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Which cellular process converts solar energy into chemical energy?

• Photosynthesis

• Cellular respiration

• Transcription

• Translation

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In order for a species to evolve, it must be able to

• consume a large quantity of food

• reproduce successfully

• maintain a constant body temperature

• be domesticated

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Zebra mussels were first discovered in the Great Lakes thirty years ago and have since spread to lakes throughout the region. Zebra mussels reproduce quickly and have few natural predators.

What will most likely happen to other native mussel species in the Great Lakes region?

• Native species will begin to interbreed with zebra mussels.

• Individuals of the native species will mutate to become more similar to zebra mussels.

• Native species populations will decrease in areas with large zebra mussel populations.

• Individuals of the native species will mutate to become less similar to zebra mussels.

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