Bacteriology

A microbe capale of growth between 45 degrees C and 80 degrees C

The phase of the bacterial growth curve in which the rate growth and the rate of death are equal

Bacteria that posses sexsex pili are capable of this process involving the transfer of genetic material from one cell to another

Bacteria described as coiled or wavy rods

A flexible helical shaped bacterium

External cell structure that is long, thin, hairlike and flexible

Cell structure that controls metabolism and reproduction

A round or spherical shaped bacterium

Process of bacterial reproduction

Small loops of DNA occurring in the cytoplasm of bacterial cell

Inclusions (storage) granules consist of stored ___________

Hairlike appendages extending from the surface of the cell that function to attach bacteria to surfaces (mucus membrane)

cell membrane is composed of a double layer of _______

Proteins that extend through both lipid layers of the cell membrane from the __________

An organism that requires a source of organic compounds

In the death phase of the bacterial growth curve the rate of death is ______ than the rate of reproduction

A microbe that grows in the absence of oxigen

The initial phase of the bacterial growth curve in which there is NO INCREASE in the population

The temperature or pH at which a microbe grows best

The function of the flagella

Ribosomes are composed of _________ and proteins

Energy is stored in this ccompound

A microbe that grows between 20 degrees C and 45 degrees C (50 degrees C)

Bacterial growth is measured by an increase in the bacterial ___________

Cell structure that protects bacterial cells from differences in the internal and external osmotic pressure

Increase in the size of a bacterial population is expressed as a __________ function

Protein molecules attached to the inside surface of the cell membrane function as ______ that catalyze chemical reactions (i.e: production of energy)

The cell walls of Gram _______ bateria contain many layers of murein

The capsule consists of a variety of polypeptides and ________

Bacterial growth is expressed as a logarithmic exponent of ________

An elongated, rod shaped bacterium

A thick, gelatinous layer that adheres to the outside of the cell wall and prevents phagocytosis

A bacterium that grows at pH 5 to 8

Type of nutrients required by autotrophic bacteria for growth

Plasmids may contain genes for antibiotics resistance called _____________

Cell structure that controls the absorption of nutrients and elimination of wastes

organism requiring oxygen for growth

Organism that utilizes non living organic material for growth

Organism that growns between 0 degrees C and 20 degrees C

A comma shaped bacterium

Due to the presence of small pores, the cell membrane may be described as a _______

Function of the endorspores

A microbe that grows within a pH range of 0 to 5

The filling of cell

Highly resistant, dormant structure formed within some bacteria

Salt loving bacteria

Sites of protein synthesis within the bacterial cell

A microbe that can grow in the presence or absence of oxygen

Bacteria are measured in units called _______

A rigid corkscrew shaped bacterium

The major component of the cell wall is a peptidoglycan called _________

the study of structure

the cell wall is responsible for the _________ of the bacterial cell

THe phase of the bacterial growth curve in which the population is rapidly increasing

genetic material in a bacterium is composed of a single strand of ___________