Most protists have chloroplast present in their cell. Through primary endosymbiosis, the first chloroplast evolved in green algae and red algae. By the secondary endosymbiosis, chloroplast had evolved in other protists. The initial chloroplasts have two membranes; they evolved through the secondary endosymbiosis process consisting of four membranes. Green algae have chloroplast that contains both chlorophyll a and chlorophyll b.

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Answer 1

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Chapter 21, Problem 6SQ

Summary Introduction

Concept introduction: Most protists have chloroplast present in their cell. Through primary endosymbiosis, the first chloroplast evolved in green algae and red algae. By the secondary endosymbiosis, chloroplast had evolved in other protists. The initial chloroplasts have two membranes; they evolved through the secondary endosymbiosis process consisting of four membranes. Green algae have chloroplast that contains both chlorophyll a and chlorophyll b.

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Answer 2

Question

Chapter 21, Problem 6SQ

Summary Introduction

Concept introduction: Most protists have chloroplast present in their cell. Through primary endosymbiosis, the first chloroplast evolved in green algae and red algae. By the secondary endosymbiosis, chloroplast had evolved in other protists. The initial chloroplasts have two membranes; they evolved through the secondary endosymbiosis process consisting of four membranes. Green algae have chloroplast that contains both chlorophyll a and chlorophyll b.

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Answer 3

Question

Chapter 21, Problem 6SQ

Summary Introduction

Concept introduction: Most protists have chloroplast present in their cell. Through primary endosymbiosis, the first chloroplast evolved in green algae and red algae. By the secondary endosymbiosis, chloroplast had evolved in other protists. The initial chloroplasts have two membranes; they evolved through the secondary endosymbiosis process consisting of four membranes. Green algae have chloroplast that contains both chlorophyll a and chlorophyll b.

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Answer 4

Question

Chapter 21, Problem 6SQ

Summary Introduction

Concept introduction: Most protists have chloroplast present in their cell. Through primary endosymbiosis, the first chloroplast evolved in green algae and red algae. By the secondary endosymbiosis, chloroplast had evolved in other protists. The initial chloroplasts have two membranes; they evolved through the secondary endosymbiosis process consisting of four membranes. Green algae have chloroplast that contains both chlorophyll a and chlorophyll b.

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Answer 5

Chapter 21, Problem 6SQ

Summary Introduction

Concept introduction: Most protists have chloroplast present in their cell. Through primary endosymbiosis, the first chloroplast evolved in green algae and red algae. By the secondary endosymbiosis, chloroplast had evolved in other protists. The initial chloroplasts have two membranes; they evolved through the secondary endosymbiosis process consisting of four membranes. Green algae have chloroplast that contains both chlorophyll a and chlorophyll b.

Answer 6

Chapter 21, Problem 6SQ

Summary Introduction

Concept introduction: Most protists have chloroplast present in their cell. Through primary endosymbiosis, the first chloroplast evolved in green algae and red algae. By the secondary endosymbiosis, chloroplast had evolved in other protists. The initial chloroplasts have two membranes; they evolved through the secondary endosymbiosis process consisting of four membranes. Green algae have chloroplast that contains both chlorophyll a and chlorophyll b.

Answer 7

Chapter 21, Problem 6SQ

Summary Introduction

Concept introduction: Most protists have chloroplast present in their cell. Through primary endosymbiosis, the first chloroplast evolved in green algae and red algae. By the secondary endosymbiosis, chloroplast had evolved in other protists. The initial chloroplasts have two membranes; they evolved through the secondary endosymbiosis process consisting of four membranes. Green algae have chloroplast that contains both chlorophyll a and chlorophyll b.

Answer 8

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Answer 11

Ch. 21 - Multicelled haploid and diploid bodies form in...Ch. 21 - The __________ of diplomonads and parabasalids...Ch. 21 - Radiolaria and diatoms have a shell of _______. a....Ch. 21 - Prob. 4SQ Ch. 21 - Prob. 1DAA Ch. 21 - Prob. 2DAA Ch. 21 - Prob. 3DAA Ch. 21 - Prob. 4DAA Ch. 21 - Diatoms produce _______ that help(s) them float....Ch. 21 - Prob. 6SQ

Solution Summary: The author explains that most protists have chloroplast present in their cell through primary endosymbiosis. Green algae have two membranes, while cyanobacteria evolved from them.

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