[9.2] Photosynthesis: An Overview

[9.2] Photosynthesis: An Overview

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Key Questions

• What role to pigments play in the process of photosynthesis?

• What are electron carrier molecules?

• What are the reactants and products of photosynthesis?

Multiple Choice

Photosynthetic organisms use __________ to capture the energy in sunlight.

• cell walls

• DNA

• lipids

• pigments

Multiple Choice

The principle pigment of green plants is known as ________.

• chlorophyll

• carotene

• amber

• anthocyanin

Multiple Choice

________ are interconnected and arranged in stacks known as grana (singular: granum).

• Stroma

• Chloroplasts

• Thylakoids

• The membranes

Multiple Choice

The fluid portion of the chloroplast, outside of the thylakoids, is known as the _______.

• stroma

• chloroplasm

• grana

• chlorophyll

Open Ended

How does photosynthesis depend on chlorophyll?

Multiple Choice

_______ [Nicotinamide adenine dinucleotide phosphate] accepts and holds two high-energy electrons, along with a hydrogen ion.

• NADPH

• NADP+

• ATP

• ADP

Open Ended

What is NADP+? (AKA what does it do?)

Multiple Choice

Light- ____________ reactions require direct involvement of light and light-absorbing pigments.

• product

• independent

• reactant

• dependent

Multiple Choice

During the light- __________ reactions, the ATP and the NADPH molecules produced are used to build high-energy sugars from carbon dioxide.

• dependent

• independent

• reactant

• required

Use FIgure 9-2 [pg 286]