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Use each of the terms below just once to complete
the passage.
energy phosphate
adenine
charged ATP
chemical bonds
work
ribose
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1.
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To do biological ___________, cells require energy.
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2.
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A quick source of energy that cells use is the molecule _____________.
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3.
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The ____________ in this molecule is stored...
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4.
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... in its __________________________.
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5.
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ATP is composed of a(n) ______________molecule ...
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6.
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... bonded to a(n) __________ sugar.
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7.
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Three _______________ molecules ...
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8.
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... called _____________ groups are attached to the sugar.
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Examine the diagram below. Then answer the questions.
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9.
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How is energy stored and released by ATP? [Use complete sentences to
answer the question.]
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10.
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How do cells ue the energy released from ATP? Give two (2)
examples.
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Determine is the statement is TRUE (write True if it is true). If it is not true, rewrite the
italicized word to make it true.
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11.
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Photosythesis is the process plants use to trap the sun’s energy to make
glucose.
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12.
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ATP molecules are made during the light-independent reactions of
photosynthesis.
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13.
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Carbon dioxide gas is produced during photosynthesis.
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14.
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The light-dependent reactions of photosynthesis take place in the membranes of
the thylakoid discs in mitochondria.
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15.
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The thylakoid membranes contain chlorophyll and other pigments that absorb
sunlight.
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Number the following steps of the LIGHT-DEPENDENT
reactions in the order in which they occur.
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16.
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The energy lost by electrons as they pass trhough the elctron transport
chain is used to make ATP.
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17.
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The elctrons pass from the chlorophyll molecules to an electrontrasnport
chain.
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18.
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Sunlight strikes the chlorophyll molecules in the thyllakoid membranes.
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19.
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NADP+ molecules change to NADPH as they carry the elctrons to the stroma of the
chloroplasts.
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20.
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The sunlight’s energy is transferred to the chlorophyll’s
electrons
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21.
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The electrons are passed down a second electron transport chain.
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ANSWER THE FOLLOWING QUESTIONS:
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22.
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How are the electrons that are lost by chlorophyll molecules replaced?
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23.
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How do plants produce oxygen during photosynthesis?
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