Section-3; Photosyntheis and Cellular Respiration

Question 0

define autotroph.

Answer 0

self feeder- make their own food

Question 1

define photosynthesis

Answer 1

when plants use sunlight to convert water and carbon dioxide into carbohydrates.

Question 2

define heterotroph

Answer 2

must obtain energy by eating other organisms

Question 3

identify the molecule or company that organisms use to store energy

Answer 3

plants store energy in the form of glucose/cellulose which is used by other organisms to create ATP/fat.

Question 4

what happens when phosphate is removed from ATP?

Answer 4

ATP becomes ADP and energy is released.

Question 5

chemical equation for photosynthesis?

Answer 5

6CO2+6H2O–(light)–> C6H12O6+6O2

Question 6

Why are plants green?

Answer 6

Chlorophyll absorbs red and blue light and reflects green light.

Question 7

why are humans and plants dependent on each other?

Answer 7

Plants take in carbon dioxide and water to create sugars and oxygen through the process of photosynthesis. Animals eat the plants and breakdown those sugars in the presence of oxygen during cellular respiration and create energy and carbon dioxide.

Question 8

Describe the relationship between the light reaction and the Calvin cycle.

Answer 8

The light reactions create energy, NADPH and ATP which is used to power the Calvin Cycle.

Question 9

Explain the function of stomates.

Answer 9

The stomates open and close to allow for gas exchange, carbon dioxide in and oxygen out.

Question 10

Are light-dependent and light-independent the same thing? explain.

Answer 10

No, light dependent reactions take place in the thylakoids membrane and requires sunlight.
Light independent reactions take place in the stroma and do not not require light. They use the ATP from the light reactions to make sugar.

Question 11

explain the affect of the following on the rate of photosynthesis; temperature

Answer 11

if the temperature is too hot or too cold, the rate of photosynthesis will slow.

Question 12

explain the affect of the following on the rate of photosynthesis; Light intensity.

Answer 12

As light intensity increases, the rate of photosynthesis increases until the point where all electrons are excited.(woo!)

Question 13

explain the affect of the following on the rate of photosynthesis; Enzyme Action.

Answer 13

If the temperature is correct, the enzymes will increase the rate of photosynthesis reaction. If the temperature is too high or too low, the enzymes will fail to catalyze the reaction.

Question 14

explain the primary source of the Calvin Cycle.

Answer 14

to produce glucose.

Question 15

describe the relationship between photosynthesis and cellular respiration.

Answer 15

the products created in photosynthesis are the reactants in for cellular respiration.

Question 16

chemical equation for cell respiration.

Answer 16

C6H12O6+6O2–(light)–>6 CO2+6H2O+ 36 ATP

Question 17

two types of fermentation and when they occur.

Answer 17

Lactic Acid Fermentation- occurs in muscle cells during strenuous exercise.
Alcoholic Fermentation- occurs in plant and yeast cells.
*fermentation produces NAD+ that cycles back to glycolysis.

Question 18

what molecule is needed to start glycolysis?

Answer 18

glucose.

Question 19

Aerobic respiration and its steps?

Answer 19

(with oxygen) After glucose is converted into pyruvic acid in the cytoplasm, the pyruvic acid travels to the mitochondrial matrix to enter the Krebs Cycle, where ATP, NADH and FADH2 are created. From there, the NADH and FADH2 travel to the inner membrane where electron transport happens to create more ATP.

Question 20

Anaerobic Respiration and its steps?

Answer 20

(without oxygen duh) After glucose is converted into pyruvic acid during glycolysis if no oxygen is present then fermentation occurs allowing for glycolysis to continue.

Question 21

Which step of cellular respiration produces the most ATP

Answer 21

ETC-32 ATP