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THE KNOWLEDGE LIBRARY

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Basics

The Cell Membrane

A cell’s plasma membrane defines the boundary of the cell and determines the nature of its contact with…

July 12, 2021 · Rajil TL
Basics

Animal Cells versus Plant Cells

Despite their fundamental similarities, there are some striking differences between animal and plant cells Animal cells have centrioles,…

July 12, 2021 · Rajil TL
Basics

Ribosomes, Mitochondria & Peroxisomes

Ribosomes Ribosomes are the cellular structures responsible for protein synthesis. When viewed through an electron microscope, free ribosomes appear…

July 12, 2021 · Rajil TL
Basics

Vesicles and Vacuoles

Vesicles and vacuoles are membrane-bound sacs that function in storage and transport. Vacuoles are somewhat larger than vesicles,…

July 12, 2021 · Rajil TL
Basics

Lysosomes

In animal cells, the lysosomes are the cell’s “garbage disposal.” Digestive enzymes within the lysosomes aid the breakdown of proteins,…

July 12, 2021 · Rajil TL
Basics

The Endomembrane System

The endomembrane system (endo = within) is a group of membranes and organelles in eukaryotic cells that work together to…

July 12, 2021 · Rajil TL
Basics

Flagella and Cilia

Flagella (singular = flagellum) are long, hair-like structures that extend from the plasma membrane and are used to…

July 12, 2021 · Rajil TL
Basics

The Cytoplasm

The cytoplasm comprises the contents of a cell between the plasma membrane and the nuclear envelope (a structure…

July 12, 2021 · Rajil TL
Basics

The Plasma Membrane

Like prokaryotes, eukaryotic cells have a plasma membrane (Figure 3.9) made up of a phospholipid bilayer with embedded proteins that…

July 12, 2021 · Rajil TL
Basics

Eukaryotic Cells

At this point, it should be clear that eukaryotic cells have a more complex structure than do prokaryotic…

July 12, 2021 · Rajil TL