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I. Introduction

Out of all the organelles there
are two that have fascinated microbiologists for the past hundred years. The
first is the mitochondria, nicknamed the "powerhouse of the cell." The second
is the chloroplast in plant cells that have functions similar to those of the
mitochondria. What do these organelles do? What are the similarities and differences
of these organelles? This essay will help you to understand these two fascinating
organelles.

II. Mitochondria

Mitochondria are small cytoplasmic organelles.
They are five to 10 micrometers long and one to .5 micrometers wide. They main
function is to provide energy for cell activities. They house the respiratory
enzymes that convert oxygen and the products of fat, carbohydrate, and protein
metabolism into adenosine triphosphate (ATP) and guanosine triphosphate (GTP),
chemicals that have high-energy bonds. They are hollow all except for a folded
line of matter that contains the ribonucleic acid (RNA)......

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Approximate Word Count: 504
Approximate Pages: 3 (250 words per double-spaced page)

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