QUESTION 12 In photosynthesis, ______ and ______ are used to
build_______ and release______. carbon dioxide, water, sugar,
oxygen glucose, oxygen, water, carbon dioxide glucose, ethanol,
ATP, NAD carbon dioxide, water, ADP, NADP ATP, NADPH, sugar, carbon
dioxide
QUESTION 13 A lit match cannot continue to burn when the wood of
the match stick is consumed. This statement illustrates the more
general principle that energy must be supplied to the match to
begin the burning process. energy forms are freely convertible, but
energy can’t be created or destroyed. all chemical reactions in
nature give off energy. lighters are more efficient than matches.
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QUESTION 14 Accessory pigments and chlorophylls work together
within the thylakoid membrane in clusters called __________ . They
harvest light energy and use it to transfer electrons to
_______________. mitochondria; membranes. lysosomes; carbon.
chromatin; DNA. photosystems; quinone molecules. ribosomes;
ribulose.
QUESTION 15 An allosteric enzyme possesses a second site that
binds a regulatory molecule. contains one binding site. always
catalyzes an exergonic reaction. mimics a glucose molecule. cannot
be inhibited in its active site.
QUESTION 16 NADPH is formed when it accepts high-energy
electrons from an excited photosystem. two molecules of ATP
combine. it can transfer electrons to a free quinone molecule.
electrons are absorbed by an oxygen molecule. ATP is converted to
ADP plus a free phosphate.
QUESTION 17 Photosynthesis and respiration are complementing
processes within a global cycle known as the photosystem complex.
nitrogen cycle. carbon cycle. fermentation process. oxygen
production reactions. QUESTION 18 The most energetic and
useful product of the Krebs cycle is glucose. oxygen. FAD NADH
pyruvate