Questions from Environmental Science Activities – Flashcards
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fats
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Which of these provides your body with energy?
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light
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Plants us _______ as a source of energy
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carbon
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What element is found in all organic compounds?
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carbon dioxide
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Plants obtain carbon from _____.
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light
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Where do plants get the energy to make organic molecules?
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minerals
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Which of these is NOT an organic molecules?
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carbon dioxide
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Where do plants get the carbon they use to make organic molecules?
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a. a space station orbiting Earth
b. a person sitting on a couch while watching TV
c. a rock on a mountain ledge
d. an archer with a flexed bow
e. the high-energy phosphate bonds of a molecule ATP
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a space station orbiting Earth
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energy cannot be created or destroyed but can be converted from one form to another
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Conservation of energy refers to the fact that _____.
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potential
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Chemical energy is a form of ______ energy.
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cellular respiration
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In your body, what process converts the chemical energy found in glucose into the chemical energy found in ATP?
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heat, carbon dioxide, and water
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Which of these are by-products of cellurlar respiration
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glycolysis → acetyl CoA → citric acid cycle → electron transport chain
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Select the correct sequence of steps as energy is extracted from glucose during cellular respiration.
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C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + ATP energy
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The correct general equation for cellular respiration
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glycolysis
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Which of the following processes takes place in the cytosol of a eukaryotic cell?
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mitochondrion
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In what organelle would you find acetyl CoA formation, the citric acid cycle, and the electron transport chain?
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Splits the glucose in half and produces 2 ATPs for each glucose
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Which statement describes glycolysis?
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Produces some ATP and carbon dioxide in the mitochondrion
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Which statement describes the citric acid cycle?
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Uses energy captured from electrons flowing to oxygen to produce most of the ATPs in cellular respiration
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Which statement describes the electron transport chain?
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6CO2 + 6H2O → C6H12O6 + 6O2
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Which equation represents photosynthesis?
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Chloroplast
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In which of the following organelles does photosynthesis take place?
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An electron transport chain
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What connects the two photosystems in the light reactions?
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ATP and NADPH
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What two molecules are produced by the light reactions and used to power the Calvin cycle
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H2O
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What provides for the light reactions?
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Carbon dioxide
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What provides the carbon atoms that are incorporated into sugar molecules in the Calvin cycle?
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NADPH
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What transports electrons from the light reactions to the Calvin cycle?
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thylakoids; stroma
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The light reactions take place in the _________ and the Calvin cycle takes place in the _________.
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glucose
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Which of the following molecules is broken down in cellular respiration, providing fuel for the cell?
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ATP
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Which energy-rich molecule produced by cellular respiration directly powers cell work?
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Inner core
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composed mostly of solid metal
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Outer core
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composed of molten metal
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Lower mantle
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thick layer of dense rock surrounding the core
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Upper mantle
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contains the astenosphere just below the crust
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Crust
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thin rock layer at Earth's surface
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seafloor spreading
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The slowly increasing distance between South America and Africa is due to _____
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hot spot
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Old Faithful Geyser at Yellowstone National Park in the United States acquires its energy from a ______.
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sedimentary rock
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Layered ______ exposed by erosion can be seen when looking at the Grand Canyon in the United States
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continental crust
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Australia is composed of relatively old and thick _____.
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subduction
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The extremely deep ocean Marianas Trench is a result of ______.
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Seafloor crust
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_______ found in the Atlantic Ocean between North American and Europe is composed of dense and relatively young rock
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fault
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The earthquakes that occur in Southern California generally occur above a _____
