Chapter 2 Lesson 4 Cells and Energy

Which cell process releases oxygen?

• Photosynthesis

• Cellular Respiration

• Breathing

• Fermentation

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Cellular respiration is a complex process that occurs in which organelle?

• Nucleus

• Mitochondrion

• Chloroplast

• Ribosome

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All living things, from one-celled organisms to humans, do not need energy to survive.

• True

• False

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A series of chemical reactions that convert the energy in food molecules into a usable form of energy called ATP.

• Cellular Respiration

• Cytoplasm

• Mitochondria

• Glycolysis

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A process by which glucose, a sugar, is broken into smaller molecules.

• Cellular Respiration

• Cytoplasm

• Mitochondria

• Glycolysis

Cellular respiration occurs in the mitochondria of eukaryotic cells and requires _________.

• Cellular Respiration

• Cytoplasm

• Mitochondria

• Glycolysis

• Oxygen

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During glycolysis large amounts of usable energy called ________ are produced.

• cellular respiration

• cytoplasm

• mitochondria

• ATP

• oxygen

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Water and ________ are two waste products that are given off during the second step of cellular respiration.

• oxygen

• glycolysis

• carbon dioxide

• chlorophyll

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Sometimes when you exercise, your cells do not have enough _________ to make ATP through cellular respiration.

• oxygen

• glycolysis

• carbon dioxide

• chlorophyll

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A reaction that eukaryotic and prokaryotic cells use fermentation to obtain energy from food when oxygen levels are low.

• Cellular Respiration

• Mitochondria

• Glycolysis

• Fermentation

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