9. Photosynthesis

Pigments of Photosynthesis

Chloroplasts and Pigments | Biology

Leaf Pigments and Light

No. Photosynthetic pigments do not strongly absorb UV light.

No. Photosynthetic pigments do not store energy.

No. Water is hydrolyzed by an enzyme in photosystem II, not by the pigment molecules.

Consider the energy source for photosynthesis.

The most important role of pigments in photosynthesis is to __________.

Which of the following pigments does NOT absorb yellow/orange light (650-750nm)?a) Chlorophyll a.b) Carotenoids.c) Chlorophyll b.d) &nbsp;Both a &amp; c.

No. Plants are green because they are not absorbing the green light.

No. Plant pigments are more selective than this.

No. Plants absorb light in the visible range.

No. Carotenoids are accessory pigments, absorbing light in only one area of the spectrum.

Consider the action spectrum of photosynthesis.

What is the range of wavelengths of light that are absorbed by the pigments in the thylakoid membranes?

No. Both grana and cristae play a role in energy transformation.

No. Both contain both proteins and lipids.

No. Only one of the listed characteristics is correct.

Consider the functions of chloroplasts and mitochondria.

You could distinguish a thylakoid membrane from an inner mitochondrial membrane because the thylakoid membrane would __________.

3 Major Classes of Pigments in Photosynthesis

Carotenoids, chlorophyll b and chlorophyll a.

Examples of accessory pigments for photosynthesis are:a) Chlorophyll b and carotenoids.b) Chlorophyll a and chlorophyll b.c) Chlorophyll a and carotenoids.d) Carotenoids, chlorophyll b and chlorophyll a.

Animation: Space-Filling Model of Chlorophyll

Animation: Light Energy and Pigments

Evaluate the following statements regarding seeds. Select True or False for each statement.
T/F They contain an embryo.
T/F They contain nutritive tissue for the embryo.
T/F They consist entirely of diploid cells.
T/F They are also referred to as spores.

Introduction to Photosystems

Chloroplasts, Pigments And Photosystems in Photosynthesis

No. In fact, if a photosystem is present, just the opposite will happen&mdash;the pigments become oxidized.

No. The absorbed light increases the potential energy of the pigments.

No. The Calvin cycle is a separate, non-light-dependent pathway.

No. Photons come from the sun, not from a chloroplast.

When chloroplast pigments absorb light, __________.

Plant Pigments

Separation of Pigments from the Extract of Spinach Leaves by Paper Chromatography - MeitY OLabs

What is a pollen grain?
a. male gametophyte
b. female gametophyte
c. male sporophyte
d. sperm

Absorption Spectrum of Photosynthesis

What does it mean to say that a life cycle is gametophyte dominant versus sporophyte dominant?

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30. Overview of Animals

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Review of Photosynthesis

Light Reactions of Photosynthesis

C3, C4 & CAM Plants

Electromagnetic Spectrum

Introduction to Photosynthesis

Leaf & Chloroplast Anatomy

Stages of Photosynthesis

Calvin Cycle

Photorespiration

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