Chapter 10.3

Question 1

Light is a form of energy known as __________.

Answer 1

Electromagnetic energy/Electromagnetic radiation

Question 2

Electromagnetic Spectrum

Answer 2

The entire range of radiation.

Question 3

Visible Light

Answer 3

The segment of the electromagnetic spectrum from 380 nm to 750 nm in wavelength.

Question 4

Pigments

Answer 4

Substances that absorb visible light.

Question 5

Chloroplasts and ____ both generate ATP by the same basic mechanism: chemiosmosis.

Answer 5

Mitochondria

Question 6

Compare the mitochondrion structure and a chloroplast structure.

Answer 6

Mitochondrion:
* Intermembrane space
* Inner membrane
* Matrix

Chloroplast
* Thylakoid space
* Thylakoid membrane
* Matrix

Question 7

What are the reactants of light reactions?

Answer 7

H2O, NADP+, ADP

Question 8

What are the products of light reactions?

Answer 8

O2, NADPH, ATP

Question 9

Where are the products of light reactions produced?

Answer 9

In the thylakoid, on the side facing the stroma.

Question 10

What are the two types of photosystems in the light reactions?

Answer 10

1. Photosystem II (PS II)
2. Photosystem I (PS I)