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Chapter 23: Q 1. (page 606)


What evidence is there that mitochondria were incorporated into the ancestral eukaryotic cell before chloroplasts?

Short Answer

Expert verified

Chloroplast is present in only green plants that prepare their own food by photosynthesis.

Step by step solution

01

Introduction

Mitochondria

  • It is a cell organelle present in eukaryotes.
  • They generate energy in the form of ATP.

Chloroplast

  • It is a cell organelle present only in plant cells.
  • They are the sites of photosynthesis.
02

Evidence

The fact that mitochondria are found in all eukaryotes but chloroplasts are only found in green plants capable of making their own food by photosynthesis is evidence that mitochondria were introduced long earlier than chloroplasts in the original eukaryotes.

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Most popular questions from this chapter

Describe two ways in which paramecium differs from the projected traits of the last eukaryotic common ancestor.

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An example of carbon fixation is________________.

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b. decomposition

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Which of the following statements about Paramecium sexual reproduction is false?

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b. Both mitosis and meiosis occur during sexual reproduction.

c. The conjugate pair swaps macronuclei.

d. Each parent produces four daughter cells.
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