Cytoplasmic (cell) membrane

In all bacteria A thin sheet of lipid and protein that surrounds the cytoplasm and controls the flow of materials into and out of the cell pool

Bacterial Chromosome or Nucleoid

In all bacteria Composed of condensed DNA molecules. DNA directs all genetics and heredity of the cell and codes for all proteins

In all bacteria Tiny particles composed of protein and RNA that are the sites of protein synthesis Dispersed throughout the cytoplasm, often found in chains

In all bacteria Water-based solution filling the entire cell prominent site of the cells biochemical and synthetic activities complex mixture of sugars, amino acids, and salts contains chromatin body, ribosomes, granules and fibers acting cytoskeleton

In some bacteria Fine, hairlike bristles extending from the cell surface that helps in adhesion to other cells and surfaces

In some bacteria Extra membrane similar to cytoplasmic membrane but also containing lipopolysaccharides. Controls flow of materials, and portions of it are toxic to mammals when released

In some bacteria A semirigid casing that provides structural support and shape for the cell

In some bacteria Long fibers of proteins that encircle the cell just inside the cytoplasmic membrane and contribute to the shape of the cell

In some bacteria An appendage used for drawing another bacterium close in order to transfer DNA into it

In some bacteria A coating or layer of molecules external to the cell wall. It serves protective, adhesion, and receptor functions. It may fit tightly or be very loose and diffuse. Also called slime layer and glycocalyx

In some bacteria Stored nutrients such as fat, phosphate, or glycogen deposited in dense crystals or particles that can be tapped into when needed

Bacterial microcompartments

In some bacteria Protein-coated packets used to localize enzymes and other proteins in the cytoplasm

In some bacteria Double-stranded DNA circle containing extra genes nonessential pieces of DNA duplicated and passed on to offspring during replication important agent in genetic engineering

In some bacteria Specialized appendage: attached to the cell by a basal body that holds a long, rotating filament. The movement pushes the cell forward and provides motility

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Micro test 1

Term	Definition
Cytoplasmic (cell) membrane	In all bacteria A thin sheet of lipid and protein that surrounds the cytoplasm and controls the flow of materials into and out of the cell pool
Bacterial Chromosome or Nucleoid	In all bacteria Composed of condensed DNA molecules. DNA directs all genetics and heredity of the cell and codes for all proteins
Ribosomes	In all bacteria Tiny particles composed of protein and RNA that are the sites of protein synthesis Dispersed throughout the cytoplasm, often found in chains
Cytoplasm	In all bacteria Water-based solution filling the entire cell prominent site of the cells biochemical and synthetic activities complex mixture of sugars, amino acids, and salts contains chromatin body, ribosomes, granules and fibers acting cytoskeleton
Fimbriae	In some bacteria Fine, hairlike bristles extending from the cell surface that helps in adhesion to other cells and surfaces
Outer membrane	In some bacteria Extra membrane similar to cytoplasmic membrane but also containing lipopolysaccharides. Controls flow of materials, and portions of it are toxic to mammals when released
Cell wall	In some bacteria A semirigid casing that provides structural support and shape for the cell
Actin cytoskeleton	In some bacteria Long fibers of proteins that encircle the cell just inside the cytoplasmic membrane and contribute to the shape of the cell
Pilus	In some bacteria An appendage used for drawing another bacterium close in order to transfer DNA into it
Capsule	In some bacteria A coating or layer of molecules external to the cell wall. It serves protective, adhesion, and receptor functions. It may fit tightly or be very loose and diffuse. Also called slime layer and glycocalyx
Inclusion / Granule	In some bacteria Stored nutrients such as fat, phosphate, or glycogen deposited in dense crystals or particles that can be tapped into when needed
Bacterial microcompartments	In some bacteria Protein-coated packets used to localize enzymes and other proteins in the cytoplasm
Plasmids	In some bacteria Double-stranded DNA circle containing extra genes nonessential pieces of DNA duplicated and passed on to offspring during replication important agent in genetic engineering
Flagellum	In some bacteria Specialized appendage: attached to the cell by a basal body that holds a long, rotating filament. The movement pushes the cell forward and provides motility

Created by: michelle57

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