Plant Cell

25 nm

Proteins and other molecules are chemically modified in the smooth endoplasmic reticulum.

Rough Endoplasmic Reticulum

■ Smooth endoplasmic reticulum

Plasma membrane

Rough' ■ endoplasmic : O reticulum

■ Smooth endoplasmic reticulum

Proteins and other molecules are chemically modified in the smooth endoplasmic reticulum.

Plasma membrane

Peroxisome Cell wall Mitochondrion Chloroplast

Peroxisome Cell wall Mitochondrion Chloroplast

Peroxisomes break down toxic peroxides.

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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