Photosynthesis

Question 1

What is an anabolic reaction?

Answer 1

A reaction that combines simple molecules into more complex molecules.

Question 2

What is an endergonic and exergonic reaction?

Answer 2

Endergonic- taking in energy.

Exergonic- exerting energy.

Question 3

Is photosynthesis an endergonic or exergonic reaction? Why?

Answer 3

Endergonic because photosynthesis is taking in energy.

Question 4

What is the carbon source for photosynthesis?

Answer 4

Carbon Dioxide

Question 5

Who discovered that plants produce oxygen?

Answer 5

Priestly

Question 6

Who discovered that light is necessary for photosynthesis to occur?

Answer 6

Ingenhouz

Question 7

Who found that the mass of a plant changes as it grows and that the mass comes from the water?

Answer 7

Van Helmont

Question 8

What are photons?

Answer 8

Packets of energy that sunlight is absorbed by

Question 9

Where does photosynthesis mainly occur?

Answer 9

The leaves of plants

Question 10

What are stroma?

Answer 10

Pores on the underside of the leaves

Question 11

What are mesophyll cells?

Answer 11

Cells in leaves that contain chlorophyll

Question 12

What two gases are exchanged through the stomata of a leaf?

Answer 12

CO2, O2

Question 13

What is the formula for photosynthesis?

Answer 13

6CO(2)+6H(2)0——-C(6)H(12)O(6)+6O(2)

Question 14

In what cell in a lead does photosynthesis occur?

Answer 14

Mesophyll cell

Question 15

How many membranes does a chloroplast have?

Answer 15

2

Question 16

What is the outer membrane compared to the inner membrane of the chloroplast?

Answer 16

More permeable

Question 17

What is the thick fluid inside of a chloroplast called?

Answer 17

Stroma

Question 18

What is a granum?

Answer 18

A stack of thylakoids

Question 19

Grana make up the _____ membrane of a chloroplast.

Answer 19

Thylakoid

Question 20

What is a thylakoid?

Answer 20

A saclike photosynthetic membrane found in chloroplasts

Question 21

What colors does chlorophyll absorb the most?

Answer 21

Red and blue

Question 22

What color does chlorophyll absorb the least?

Answer 22

Green, not at all absorbed

Question 23

On a wavelength of light, does a short wave have more or less energy than a long wave?

Answer 23

More

Question 24

What are the plant pigments called that include red, orange, and yellow colors?

Answer 24

Carotenoids