NucleusLife’s Inner Community

EukaryoticCells have…

NucleusLife’s Inner Community

cytoplasm Side

The _______________ is a double membrane.

nuclear pore

nuclear envelope

nucleoplasmnucleolus

Within the nucleoplasm is a mass of chromatin fibers and the nucleolus.

Life’s Inner Community Nucleus

Life’s Inner Community Nucleus

Within the nucleus is found chromatin and a structure called the nucleolus. Chromatin is DNA in its active form. It consists of DNA looped around histone proteins.

The nucleolus is a knot of chromatin. It is the nucleolus that manufactures ribosomes.

Life’s Inner Community Nucleus

Life’s Inner Community Nucleus

During cell division the nucleus takes on a different appearance.

Cytoplasm The term cytoplasm refers to everything between the cell membrane and the nuclear envelope.

Cell membrane/wall

Life’s Inner Community

The term hyaloplasm refers to only the fluid part of the cytoplasm.

Cytoplasm

The cytoplasm consists of primarily of water, salts (ions), organic monomers and polymers, the building blocks of large macromolecules. It also contains various organelles as well as dissolved gasses and nutrients.

Life’s Inner Community

OrganellesLife’s Inner Community

Gk: Organon – tool, ella – small

Besides having a nucleus, what sets eukaryotic celled organisms apart from prokaryotic organisms is that they have tools!organelles !

Endomembrane System of Cytoplasmic Organelles

Energy ConvertingCytoplasmic Organelles

“When you come to a in the road… take it!” Yogi Berra

Life’s Inner Community

Cytoskeleton System and related structures

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