Ch 6 Cellular Respiration

Question 1

animals depend on plants to convert the energy of sunlight to

Answer 1

• chemical energy of sugars

- other organic molecules we consume as food

Question 2

photosynthesis

Answer 2

uses light energy from the sun to

• power a chemical process and
• make organic molecules

Question 3

plants and other autotrophs

Answer 3

make their own organic mater from inorganic nutrients

Question 4

autotrophs are producers because

Answer 4

ecosystems depend on upon them for food

Question 5

heterotrophs are consumers because

Answer 5

they eat plants or other animals

Question 6

the reactants for photosynthesis are

Answer 6

carbon dioxide and water

Question 7

carbon dioxide is obtained from the air by

Answer 7

a plants leaves

Question 8

water is obtained from the soil by

Answer 8

a plants roots

Question 9

chloroplasts in the cells of leaves use light energy to produce

Answer 9

sugars and oxygen gas

Question 10

plants and animals both perform

Answer 10

cellular respiration

Question 11

main points on cellular respiration

Answer 11

• primarily occurs in mitochondria
• harvests energy stored in organic molecules
• uses oxygen
• generates ATP

Question 12

animals perform only

Answer 12

cellular respiration

Question 13

plants perform

Answer 13

photosynthesis and cellular respiration

Question 14

cellular respiration is

Answer 14

• the main way that chemical energy is harvested from food and converted into ATP and
• an aerobic process

Question 15

cellular respiration and breathing are closely related

Answer 15

-cells take in oxygen

cells release waste carbon dioxide gas

Question 16

simplified equation of cellular respiration

Answer 16

C6H1206 + 02 –> C02 + H20 + ATP

Question 17

three stages of cellular respiration

Answer 17

1. glycolysis
2. the citric acid cycle
3. electron transport chain

Question 18

in addition to glucose, cellular respiration can burn

Answer 18

• diverse types of carbohydrates
• fats
• proteins

Question 19

fermentation

Answer 19

work without the use of oxygen

-anaerobic process

Question 20

fermentation in human muscle cells

Answer 20

• after 15 seconds, muscle cells begin to to generate ATP by fermentation
• relied on glycolysis to make ATP
• lactic acid is a by-product

Question 21

yeast is a microscopic fungus that

Answer 21

• uses a different type of fermentation

- produces carbon dioxide and ethyl alcohol instead of lactic acid

Question 22

alcoholic fermentation

Answer 22

produces

• beer
• wine
• breads