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Flashcards in Photosynthesis Deck (15):
1

Photosynthesis

Process by which light energy is used to make glucose, carried out by all organisms in Plant Kingdom
It is a reduction reaction; carbon in CO2 is gaining electrons

2

Grana

In chloroplast
Made up of membranes called thylakoids
Where light-dependent reactions occur

3

Stroma

In chloroplast
Where Calvin cycle & light-independent reactions occur

4

Photosynthetic pigments

Chemicals that absorb light energy & use it to carry out photosynthesis

5

Pigments

Substances that absorb light in the visible spectrum
Different pigments absorb different wavelengths

6

Chlorophyll a

It's green & is the only photosynthetic pigment that can participate directly in light-dependent reactions

7

Antennae or Accessory Pigments

Assist in photosynthesis by capturing & passing on photons of light to chlorophyll a & thus expand the range of light that can be used to produce sugar

8

Chlorophyll b

Green & absorb all other wavelengths besides green

9

Carotenoids

Yellow, orange, & red
Responsible for colour of carrots

10

Phycobilins

Red & are found in red algae that live in deep ocean where there is little light

11

Light-Dependent Reactions

Part of photosynthesis that requires light
Produces energy (ATP) & protons for the light-independent reactions
Release oxygen

12

Light-Independent Reactions

Part of photosynthesis that doesn't require light directly, only products of light-dependent reactions
It's function is to make sugar (PGAL)

13

Carbon Fixation

Incorporation of CO2 into a sugar, occurs during Calvin Cycle

14

Calvin Cycle

Cyclical process that produce sugar (PGAL) in light-independent reactions

15

Reduction

Gain of electrons