Bacteria quiz Flashcards
(17 cards)
bacteria reproduce asexually by
binary fission
prokaryotes are classified according to
how they move, how they obtain energy, their shape and chemical nature of cell walls
disease causing organisms are known as
pathogens
prokaryotes are unlike other organisms because their cells
lack nuclei
all bacteria are classified as
prokaryotes
which process is used for the exchange of genetic information between two bacterial cells
conjugation
what infects plants?
viroids
which lives in only extreme environments
archaebacteria
which structure is used for cell-to-cell contact between bacteria
pilli
An organism that is photosynthetic but needs organic compounds as a carbon source is called
photoheterotroph
an organism that makes organic carbon molecules from carbon dioxide using energy from chemical reactions is called
chemoautotroph
which is formed when a bacterium produces a thick internal wall that encloses its DNA and a portion of its cytoplasm
endospore
an organisms that cannot live in the presence of oxygen is called a
obligate anaerobe
Some bacteria are able to covert nitrogen gas into ammonia that can be used by plants. this process is called
nitrogen fixation
which of the following conditions could promote the growth of bacteria
warm temperatures
what structure enables bacteria to move?
flagella
which of the following statements is false about archaebacteria
They lack peptidoglycan, they have genes more like eukaryotes, they live in extreme environments and we do not know any diseases they cause in humans