That how differences in red to far-red light ratio arise and the impact they have on plants grown in different environments. Introduction: The plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae. The parts of plants include stem, roots, leaves, flowers, fruit, and seeds. The leaves are a part of plants that are generally green and attached to it by a stalk or stem.

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Answer 1

Question

Chapter 39, Problem 1DA

Summary Introduction

To explain: That how differences in red to far-red light ratio arise and the impact they have on plants grown in different environments.

Introduction: The plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae. The parts of plants include stem, roots, leaves, flowers, fruit, and seeds. The leaves are a part of plants that are generally green and attached to it by a stalk or stem.

Expert Solution & Answer

Explanation of Solution

The red light is absorbed by the leaves at a greater rate than the far-red light, as the sunlight passes by the canopy. The relative amounts of far-red and red light are integrated by plant signaling through phytochrome to regulate the growth and development of plants. For example, germination of seed is inhibited as the relative amount of far-red light increases. Therefore, in a below shady canopy, germination of seeds would have less chance of survival because of reduced photosynthesis. Alternatively, the information about the reduced sunlight could signal rapid elongation of stem to get the plants closer to adequate sunlight for photosynthesis.

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What is the relationship between light intensity and the rate of photosynthesis. Make a prediction about this relationship, and identify both independent and dependent variables in the prediction. What will be a suitable hypothesis predict answers for the following: A) what is the rate of germinating peas versus non-germinating peas. B) what is the effect of temperature on germinating peas?

In the Philippines, owners and managers of plant nurseries have to plan lighting schedules for a long-day plant (LDP) with a critical night length of 10 hours that will flower in December. What lighting periods and color of light enrichment will be most effective for flowering of the said LDP? A. Light periods of 15 hours with light enriched in the red range of the spectrum B. Dark periods of 11 hours with light enriched in the red range of the spectrum C. Light periods of 14 hours with light enriched in the far-red range of the spectrum D. Dark periods of 9 hours with light enriched in the far-red range of the spectrum E. Light periods of 13 hours with light enriched in the red range of the spectrum F. Dark periods of 10 hours with light enriched in the far-red range of the spectrum

What is a possible explanation for the leaf color shown below?

Answer 2

Question

Chapter 39, Problem 1DA

Summary Introduction

To explain: That how differences in red to far-red light ratio arise and the impact they have on plants grown in different environments.

Introduction: The plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae. The parts of plants include stem, roots, leaves, flowers, fruit, and seeds. The leaves are a part of plants that are generally green and attached to it by a stalk or stem.

Expert Solution & Answer

Explanation of Solution

The red light is absorbed by the leaves at a greater rate than the far-red light, as the sunlight passes by the canopy. The relative amounts of far-red and red light are integrated by plant signaling through phytochrome to regulate the growth and development of plants. For example, germination of seed is inhibited as the relative amount of far-red light increases. Therefore, in a below shady canopy, germination of seeds would have less chance of survival because of reduced photosynthesis. Alternatively, the information about the reduced sunlight could signal rapid elongation of stem to get the plants closer to adequate sunlight for photosynthesis.

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Answer 3

Question

Chapter 39, Problem 1DA

Summary Introduction

To explain: That how differences in red to far-red light ratio arise and the impact they have on plants grown in different environments.

Introduction: The plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae. The parts of plants include stem, roots, leaves, flowers, fruit, and seeds. The leaves are a part of plants that are generally green and attached to it by a stalk or stem.

Expert Solution & Answer

Explanation of Solution

The red light is absorbed by the leaves at a greater rate than the far-red light, as the sunlight passes by the canopy. The relative amounts of far-red and red light are integrated by plant signaling through phytochrome to regulate the growth and development of plants. For example, germination of seed is inhibited as the relative amount of far-red light increases. Therefore, in a below shady canopy, germination of seeds would have less chance of survival because of reduced photosynthesis. Alternatively, the information about the reduced sunlight could signal rapid elongation of stem to get the plants closer to adequate sunlight for photosynthesis.

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Answer 4

Question

Chapter 39, Problem 1DA

Summary Introduction

To explain: That how differences in red to far-red light ratio arise and the impact they have on plants grown in different environments.

Introduction: The plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae. The parts of plants include stem, roots, leaves, flowers, fruit, and seeds. The leaves are a part of plants that are generally green and attached to it by a stalk or stem.

Expert Solution & Answer

Explanation of Solution

The red light is absorbed by the leaves at a greater rate than the far-red light, as the sunlight passes by the canopy. The relative amounts of far-red and red light are integrated by plant signaling through phytochrome to regulate the growth and development of plants. For example, germination of seed is inhibited as the relative amount of far-red light increases. Therefore, in a below shady canopy, germination of seeds would have less chance of survival because of reduced photosynthesis. Alternatively, the information about the reduced sunlight could signal rapid elongation of stem to get the plants closer to adequate sunlight for photosynthesis.

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Answer 5

Chapter 39, Problem 1DA

Summary Introduction

To explain: That how differences in red to far-red light ratio arise and the impact they have on plants grown in different environments.

Introduction: The plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae. The parts of plants include stem, roots, leaves, flowers, fruit, and seeds. The leaves are a part of plants that are generally green and attached to it by a stalk or stem.

Expert Solution & Answer

Explanation of Solution

The red light is absorbed by the leaves at a greater rate than the far-red light, as the sunlight passes by the canopy. The relative amounts of far-red and red light are integrated by plant signaling through phytochrome to regulate the growth and development of plants. For example, germination of seed is inhibited as the relative amount of far-red light increases. Therefore, in a below shady canopy, germination of seeds would have less chance of survival because of reduced photosynthesis. Alternatively, the information about the reduced sunlight could signal rapid elongation of stem to get the plants closer to adequate sunlight for photosynthesis.

Answer 6

Chapter 39, Problem 1DA

Summary Introduction

To explain: That how differences in red to far-red light ratio arise and the impact they have on plants grown in different environments.

Introduction: The plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae. The parts of plants include stem, roots, leaves, flowers, fruit, and seeds. The leaves are a part of plants that are generally green and attached to it by a stalk or stem.

Expert Solution & Answer

Explanation of Solution

The red light is absorbed by the leaves at a greater rate than the far-red light, as the sunlight passes by the canopy. The relative amounts of far-red and red light are integrated by plant signaling through phytochrome to regulate the growth and development of plants. For example, germination of seed is inhibited as the relative amount of far-red light increases. Therefore, in a below shady canopy, germination of seeds would have less chance of survival because of reduced photosynthesis. Alternatively, the information about the reduced sunlight could signal rapid elongation of stem to get the plants closer to adequate sunlight for photosynthesis.

Answer 7

Chapter 39, Problem 1DA

Summary Introduction

To explain: That how differences in red to far-red light ratio arise and the impact they have on plants grown in different environments.

Introduction: The plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae. The parts of plants include stem, roots, leaves, flowers, fruit, and seeds. The leaves are a part of plants that are generally green and attached to it by a stalk or stem.

Answer 8

Expert Solution & Answer

Explanation of Solution

The red light is absorbed by the leaves at a greater rate than the far-red light, as the sunlight passes by the canopy. The relative amounts of far-red and red light are integrated by plant signaling through phytochrome to regulate the growth and development of plants. For example, germination of seed is inhibited as the relative amount of far-red light increases. Therefore, in a below shady canopy, germination of seeds would have less chance of survival because of reduced photosynthesis. Alternatively, the information about the reduced sunlight could signal rapid elongation of stem to get the plants closer to adequate sunlight for photosynthesis.

Answer 9

Expert Solution & Answer

Answer 10

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Answer 11

Ch. 39.1 - Compare the pigments phytochrome and chlorophyll.Ch. 39.1 - List growth responses influenced by phytochrome.Ch. 39.1 - Prob. 3LO Ch. 39.2 - Prob. 1LO Ch. 39.2 - Prob. 2LO Ch. 39.3 - Prob. 1LO Ch. 39.3 - Prob. 2LO Ch. 39.3 - Prob. 3LO Ch. 39.4 - Prob. 1LO Ch. 39.4 - Prob. 2LO

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