Cell Structures
Cell Shapes/Sizes
Food, Energy, Reproduction
Roles of Bacteria
Other
100
A long, whiplike structure that helps a cell to move
What is flagellum
100
Name the 3 types of basic shapes of bacteria
What are spherical, rodlike, or spiral
100
True or False: Bacteria can be either heterotroph or autotroph
What is true
100
A structure produced by prokaryotes, such as bacteria, in unfavorable conditions; a thick wall encloses the DNA and some of the cytoplasm
What is endospore
200
Single-celled organisms that lack a nucleus; prokaryotes
What is bacteria
200
The largest known bacterium was as big as....
What is a period on a piece of paper
200
The process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
What is cellular respiration
200
An organism that gets energy by breaking down wastes and dead organisms, and returns raw materials to the soil and water
What is a decomposer
200
Endospores can help resist what 3 things
What are freezing, heating, and drying
300
The thick fluid region of a cell located inside the cell membrane (in prokaryotes) or between the cell membrane and nucleus (in eukaryotes)
What is cytoplasm
300
What are bacteria measured in
What are micrometers
300
What is it when bacteria reproduce asexually
What is binary fission
300
A process of heating food to a temperature that is high enough to kill most harmful bacteria without changing the taste of the food
What is pasteurization
400
A small grain-shaped organelle in the cytoplasm of a cell that produces proteins
What are ribosomes
400
A micrometer is 1....of a meter
What is millionth
400
What is it when bacteria reproduce sexually
What is conjugation
500
True or False: Bacteria only reproduce sexually
What is false
500
Name the 5 roles of bacteria
What is oxygen production, food production, health and medicine, environmental cleanup, and environmental recycling
M
e
n
u