An organism that only consumes plant matter is called an ____.
A ___ is an organism that decomposes dead organic matter to obtain its source of carbon.
___ ___ refers to the method of cell division of bacteria; one parent cell gives rise to two genetically identical daughter cells.
An ___ is a bacterium that requires a pH range of 8 to 12, such as many soil bacteria.
There is a ___ fold difference in pH from one whole number to the next.
The ___ phase of the bacterial growth curve represents the greatest rate of growth.
___ are ancient bacteria that survive extreme pH, temperature, and salt environment.
An organism cannot survive in a temperate above its maximum because all of its proteins ____ and become nonfunctional.
An ___ is a bacterium that requires a pH range of 0 to 5, such a Helicobacter pylori,which causes stomach ulcers.
Archaebactera that are extreme halophiles lie in places such as the ___ ___ and Great Salt Lake, where salt concentration range from 10-30%.
The ___ phase of the bacterial growth curve shows no increase in the number of cells because bacteria is just getting acclimated to a new environment.
Although both living and dead cells are counted, the ___ microscopic count to measure bacterial growth involves clicker-counting bacteria under a grid-etched cover slip under a microscope.
An __ ___ is a bacterium that requires the presence of atmospheric O2.
The ___ phase of the bacteria growth cure occurs when the rate of reproduction is less than the rate of death, resulting in a decline in population size. This is due to overcrowding, toxic waste build up, depletion of food, etc.
A solution with more OH- ions than H+ ions has a pH value above 7 and is referred to as ___, or basic.
____ bacteria require the presence of small amounts (2%-10%) of O2, but atmospheric levels (20%) of O2 are toxic.
An ___ is an organism that consumes both plant and animal matter.
A ___ is a bacterium that lives in temperatures from -5°C to 20°C (such as cold springs, polar regions, and even the refrigerator!)
The term ___ refers to how an organism obtains both energy and carbon compounds.
___ bacteria are indifferent to O2 concentrations. They don't use it, but are also not poisoned by it.
When performing an optical density test to estimate bacterial population size, the more cells there are in the bacterial suspension, the ____ light will pass through without being scattered.
____ bacteria have special growth factor requirements, such as certain minerals, vitamins, amino acids, etc. Blood agar is a common growth medium for them.
___ time is the time required for one bacterial cell to produce two new daughter cells; Also called doubling time, it averages 20 minutes under optimum condition.
An organism that cannot make carbon compounds from just CO2 is termed a ____.
The prefix ___ refers to organisms that obtain energy from good molecules.
A ___ is a bacterium that grows in temperatures from 40°C to 90°C (such as in hot springs, compost heaps, and oceanic volcanoes).
An organism that can produce carbon compounds from just CO2 is termed an
A solution with more OH- ions than H+ ions has a pH value above 7 and is referred to as ___, ir alkaline.
The ___ phase of the bacterial growth cure occurs when the rate of reproduction equals the rate of death, resulting in no net change in the population size.
Binary fission refers to the method of cell division of bacteria; one ___ cell gives rise to two genetical identical daughter cells.
The reason that jam,jelly, and honey don't spoil easily is that the high ___ ___ outside the cell causes bacteria to dehydrate and die.
___ anaerobes are bacteria that connot survive in the presence of atmospheric O2 while ___ aerobes are bacteria that must have atmospheric O2 to survive.
A ___ is a bacterium that grows in a pH range of 5 to 8, with 7.0 to 7.2 as optimum.
A bacterium described as an ___ ___ cannot lice in the presence of atmospheric O2 because it is toxic to it.
The ___ phase of the bacterial growth curve is when bacteria are at their healthiest and are most typical.
Photo- and chemo- are prefixes that indicate an organisms source of ____.
A solution with more H+ ions than OH- ions has a pH value bellow 7 and is referred to as ___.
The prefix ___ refers to tan organism that obtains its energy from the sun.
The term nutrition refers to how an organism obtains both energy and ___ compound.
Bacterial "___" refers to an increase in thenumber of cells in the population, not to individual size as in plants or animals.
___ ___ refers to the number of living organisms any particular environment can support.
Generation time is the time required for one bacterial cell to produce two new daughter cells. (Also called ___ time, it averages 20 minutes under optimum condition).
A ___ ___ is a bacterium that would prefer to have oxygen for respiration, but can do without it by fermenting.
With regard to the salt concentration, a bacterium that lives in the ocean is a ____.
An organism that only consumes animal matter is termed a ___.
All organisms have a temperature and pH ___ in which they can exist; there is a minimum at one end and a maximum at the other end.
Although both living and dead cells are counted , the ___ ___ test to measure bacterial growth involves passing a beam of light through a bacterial suspension to a photodetector.
Binary fission refers to the method of cell division of bacteria; one parent cell gives rise to two genetical identical ____ cells.
Archaebacteria that are extreme halophiles live in places such as the Dead Sea and ___ ___ ___, where salt concentrations are from 10-30%.
Great Salt Lake
A ___ is a bacterium that requires a temperature range of 20°C-50°C (such as environmental bacteria and human pathogens).
The ___ phase of the bacterial growth curve is when lab testing should be down and when antibiotics are most effective.
The ___ ___ method to measure bacterial growth only counts "live" cells, but takes at least one day. It is based on the premise that each bacterial cell will multiply to form one visible colony on agar.
The ___ temperature or pH refers to that which a particular organism grows at its very best and tastes rate.
When performing an optical density test to estimate bacterial population size, the fewer cells there are in the bacterial suspension, the ___ light will pass through without being scattered.