The region of a eukaryotic cell that is inside the plasma membrane and outside the organelle.

The sum total of all chemical reactions by which cells produce the materials and utilize the energy necessary to sustain life.

A protein that acts as a catalyst to speed up a chemical reaction in a cell.

A metabolic pathway that results in the breakdown of larger molecules into smaller molecules.

A metabolic pathway that results in the synthesis of cellular molecules and macromolecules.

A network of three different types of protein filaments in the cytosol called microtubules, intermediate filaments, and actin filaments.

A type of hollow protein filament composed of tubulin proteins that is part of the cytoskeleton and is important for cell shape, organization, and movement.

Intermediate filaments

A type of protein filament of the cytoskeleton that helps maintain cell shape and rigidity.

A thin type of protein filament composed of actin proteins that forms part of the cytoskeleton and supports the plasma membrane.

The oscillitation of a single microtubule between growing and shortening phases; important in many cellular activities, including hte sorting of chromosomes during cell division

A single structure often near the cell nucleus of eukaryotic cells that forms a nucleating site for the growth of microtubules. also called the microtubule organizing center

A pair of structures within the centrosome of animal cells.

A thin type of protein filament composed of actin proteins that forms part of the cytoskeleton and supports the plasma membrane.

A category of cellular proteins that uses ATP as a source of energy to promote movement. Consists of three domains called the head,, hinge, and tail.

Relatively long cell appendages that facilitate cellular movement or the movement of extracellular fluids.

Cell appendages that function to facilitate cell movement. They are shorter and more numerous on cells than flagella.

The internal structure of eukaryotic flagella and cilia consisting of microtubules, the motor protein dynein, and linking proteins.

The site at the base of flagella or cilia from which microtubules grow. They are anchored on the cytosolic side of the plasma membrane.

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Biology Chapter 4.3

The Cytosol

Term	Definition
Cytosol	The region of a eukaryotic cell that is inside the plasma membrane and outside the organelle.
Metabolism	The sum total of all chemical reactions by which cells produce the materials and utilize the energy necessary to sustain life.
Enzyme	A protein that acts as a catalyst to speed up a chemical reaction in a cell.
Catabolism	A metabolic pathway that results in the breakdown of larger molecules into smaller molecules.
Anabolism	A metabolic pathway that results in the synthesis of cellular molecules and macromolecules.
Cytoskeleton	A network of three different types of protein filaments in the cytosol called microtubules, intermediate filaments, and actin filaments.
Microtubules	A type of hollow protein filament composed of tubulin proteins that is part of the cytoskeleton and is important for cell shape, organization, and movement.
Intermediate filaments	A type of protein filament of the cytoskeleton that helps maintain cell shape and rigidity.
Actin filaments	A thin type of protein filament composed of actin proteins that forms part of the cytoskeleton and supports the plasma membrane.
Dynamic instability	The oscillitation of a single microtubule between growing and shortening phases; important in many cellular activities, including hte sorting of chromosomes during cell division
Centrosome	A single structure often near the cell nucleus of eukaryotic cells that forms a nucleating site for the growth of microtubules. also called the microtubule organizing center
Centrioles	A pair of structures within the centrosome of animal cells.
Microfilaments	A thin type of protein filament composed of actin proteins that forms part of the cytoskeleton and supports the plasma membrane.
Motor proteins	A category of cellular proteins that uses ATP as a source of energy to promote movement. Consists of three domains called the head,, hinge, and tail.
Flagella	Relatively long cell appendages that facilitate cellular movement or the movement of extracellular fluids.
Cilia	Cell appendages that function to facilitate cell movement. They are shorter and more numerous on cells than flagella.
Axoneme	The internal structure of eukaryotic flagella and cilia consisting of microtubules, the motor protein dynein, and linking proteins.
Basal bodies	The site at the base of flagella or cilia from which microtubules grow. They are anchored on the cytosolic side of the plasma membrane.

Created by: cinfante16

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