6489458
Descrição
Quiz por Isabel Robles, atualizado more than 1 year ago
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Criado por Isabel Robles
quase 8 anos atrás
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Questão 1
Questão
A difference between marathon runners and sprinters is:
Responda
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marathon runners have more slow twitch fibers in their leg muscles
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sprinters perform better in activities that require low, prolonged movements.
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sprinters have a higher proportion of muscle fibers that need oxygen to make ATP.
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marathon runners have more fast twitch fibers in their leg muscles
Questão 2
Questão
Humans are both
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heterotrophs and autotrophs
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heterotrophs and consumers
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autotrophs and producers
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producers and consumers
Questão 3
Questão
Photosynthetic organisms are:
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consumers that obtain organic molecules from another living organism.
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producers that make all their own organic matter from inorganic molecules.
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decomposers that obtain nutrients from the soil
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producers that make all of their organic matter from organic molecules that they take in.
Questão 4
Questão
The waste products of cellular respiration include:
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water and carbon dioxide
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carbon dioxide only
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water only
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water and glucose
Questão 5
Questão
What compound directly supplies the energy needed for cellular work?
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glucose
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ATP
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water
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fat
Questão 6
Questão
An aerobic process requires ________________.
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carbon dioxide
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carbohyrates
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oxygen
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ATP
Questão 7
Questão
Respiration describes the exchange of gases between your blood and the outside air. Cellular respiration ________________.
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produces glucose
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produces carbon dioxide
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produces oxygen
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produces ATP
Questão 8
Questão
Which of the following equations describes aerobic cellular respiration?
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glucose --> lactic acid + energy
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energy + carbon dioxide + water --> glucose + oxygen + water
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glucose + oxygen -->carbon dioxide + water + energy
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none of the above
Questão 9
Questão
During cellular respiration, electrons move through a series of electron acceptor molecules. Which of the following is a true statement about this process?
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Oxygen is eventually reduced by the electron to form water.
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The electrons release large amounts of energy each time they are transferred from one electron acceptor to another.
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The electrons gain energy as they move from one electron acceptor to another.
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Glucose is eventually reduced by the electrons to form water.
Questão 10
Questão
The first electron acceptor of cellular respiration is _________________.
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NAD+
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O2
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CO2
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H2O
Questão 11
Questão
Where in the cell does the process of glycolysis take place?
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between the inner and outer mitochondrial membrane
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Smooth Endoplasmic Reticulum
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within the fluid just inside the inner mitochondrial membrane
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Cytoplasm
Questão 12
Questão
Which of the following is the correct sequence of stages in cellular respiration?
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electron transport, glycolysis, citric acid cycle
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citric acid cycle, electron transport, glycolysis
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citric acid cycle, glycolysis, electron transport
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glycolysis, citric acid cycle, electron transport
Questão 13
Questão
Which of the following is a result of glycolysis?
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a net loss of 2 ATPs per glucose molecule
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conversion of glucose to pyruvic acid
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production of CO2
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conversion of NADH to NAD+
Questão 14
Questão
What must pyruvic acid be converted to before it can enter the citric acid cycle?
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ethyl alcohol
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lactic acid
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acetyl CoA
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citric acid
Questão 15
Questão
Aerobic cellular respiration generates about ________________ ATP from one glucose.
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2
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6
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32
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3
Questão 16
Questão
Human muscle cells use lactic acid fermentation to
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produce ATP without oxygen
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produce ATP using the electron transport chain
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regenerate NADH
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produce more ATP than is possible through aerobic respiration
Questão 17
Questão
Anaerobic respiration produces a maximum of ___________________ ATP per glucose.
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10
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2
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38
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4
Questão 18
Questão
ATP synthase plays a role in ____________________________.
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pulling electrons down the electron transport chain
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generating ATP
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pumping hydrogen ions using active transport across the inner mitochondrial membrane
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glycolysis
Questão 19
Questão
Which of the following molecules are responsible for the burn felt in your muscles after sprinting?
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glucose
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oxygen
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ATP
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lactic acid
Questão 20
Questão
In which phase of cellular respiration is the most ATP produced?
Responda
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the citric acid cycle
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fermentation
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the electron transport chain
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glycolysis
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