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65 Cards in this Set

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  • Back
What is an organism that causes disease?
Pathogen
What is an organism that feeds on dead matter?
Saprophyte
What kind of organism requires oxygen?
Aerobic organism
What kind of organism does not require oxygen?
Anaerobic organism
What is a state in which members of a population ie as quickly as new members are born.
Steady state
What kind of growth is unhindered because of the abundance of resources for an ever-increasing population?
Exponential growth
What kind of growth is controlled by limited resources?
Logistic growth
What are three kinds of genetic recombination?
Conjugation, transformation, and transduction
What is a temporary union of two organisms for the purpose of DNA transfer?
Conjugation
What is a small, circular section of extra DNA that confers one or more traits to a bacterium and can be reproduced separately from the main bacterial genetic code?
Plasmid
What is the transfer of a DNA segment from a nonfunctional donor cell to that of a functional recipient cell?
Transformation
What is the process in which infection by a virus resluts in DNA being transferred from one bacterium to another?
Transduction
What is the DNA and other essential parts of a bacterium coated with several hard layers?
Endospore
What are organisms from the same species that have markedly different traits?
Strains
What part of a bacterium negotiates what materials pass into and out of the cell?
Plasma membrane
What part of a bacterium allows it to move from place to place and works like an outboard motor?
Flagellum
What part of a bacterium allows it to adhere to surfaces and wards off infection-fighting agents?
Capsule
What part of the DNA holds the information needed to make an organism a living thing?
DNA
What part of a bacterium holds the DNA and ribosomes in place?
Ribosomes
What part of a bacterium keeps the interior of the cell together and holds its shape?
Cell wall
What part of a bacterium grasps onto surfaces or another bacterium during conjungation?
Fimbrae
What part of a bacterium makes proteins?
Ribosomes
Are most bacteria autotrophic or heterotrophic?
Heterotrophic
Are most bacteria producers, consumers, or decomposers?
Decomposers
Are parasites autotropic or heterotrophic?
Heterotrophic
What could allow bacteria to grow in food that had been boiled and placed in steril equipment?
Endospores
What are the three shapes of bacteria?
Coccus (spherical), bacillus (rod-shaped), spirillum (helical)
What allows a bacterium to alter its genetic code and receive traits that improves its survival?
Genetic recombination
Which kind of genetic recombination involves making a copy of the donor's plasmid and transferring it to another?
Conjugation
Which kind of genetic recombination requires only one living bacterium?
Transformation
Which kind of genetic recombination requires the aide of an outside party (virus)?
Transduction
A bacterium has no cell wall. What is its phylum and class?
Phylum Tenericutes, Class Mollicutes
A bacterium has an exotic cell wall. What is its phylum and class?
Phylum Mendosicutes, Class Archaebacteria
A bacterium turns blue after receiving a Gram stain. What is it classified? What is its order?
Gram-positive, Phylum Firmicutes
A bacterium turns red after receiving a Gram stain. What is it classified? What is its order?
Gram-negative, Phylum Gracilicutes
A bacterium is Gram-positive (blue) with a spherical shape. What is its phylum and order?
Phylum Firmicutes, Class Firmibacteria
A bacterium is Gram-positive (blue) with a rod shape. What is its phylum and order?
Phylum Firmicutes, Class Firmibacteria
A bacterium is Gram-positive (blue) with a helical shape. What is its phylum and order?
Phylum Firmicutes, Class Thallobacteria
A bacterium is Gram-positive (blue). It has neither a spherical nor rod shape. What is its phylum and order?
Phylum Firmicutes, Class Thallobacteria
What Latin root is found at the end of the name of a bacterium with a spherical shape?
coccus (i.e., streptococcus)
What Latin root is found at the end of the name of a bacterium with a rod shape?
bacillus (i.e., staphylobacillus)
What Latin root is found at the end of the name of a bacterium with a spiral shape?
spirillum (i.e., cholera spirillum)
A bacterium is Gram negative (red) and heterotrophic. What is its class and order?
Phylum Gracilicutes, Class Scotobacteria
A bacterium is Gram negative (red) and non-photosynthetic. What is its class and order?
Phylum Gracilicutes, Class Scotobacteria
A bacterium is Gram negative (red). It produces oxygen during photosynthesis. What is its class and order?
Phylum Gracilicutes, Class Oxyphotobacteria
What Latin root is found at the end of the name of a bacterium with a rod shape?
bacillus (i.e., staphylobacillus)
What Latin root is found at the end of the name of a bacterium with a rod shape?
spirillum (i.e., cholera spirillum)
A bacterium is Gram negative (red) and heterotrophic. What is its class and order?
Phylum Gracilicutes, Class Scotobacteria
A bacterium is Gram negative (red) and non-photosynthetic. What is its class and order?
Phylum Gracilicutes, Class Scotobacteria
A bacterium is Gram negative (red). It produces oxygen during photosynthesis. What is its class and order?
Phylum Gracilicutes, Class Oxyphotobacteria
A bacterium is Gram negative (red). It produces no oxygen during photosynthesis. What is its class and order?
Phylum Gracilicutes, Class Anoxyphotobacteria
A bacterium is Gram negative (red) and autotrophic. It produces no oxygen. What is its class and order?
Phylum Gracilicutes, Class Anoxyphotobacteria
A bacterium is Gram negative (red) and autotrophic. It produces oxygen. What is its class and order?
Phylum Gracilicutes, Class Oxyphotobacteria
What happens to kingdom Monera in the six-domain system?
It splits into two kingdoms: Eubacteria and Archeabacteria.
What kind of organism would you expect in the slimy bottom of a pond?
Anaerobic organisms
What kind of organism would you expect near the surface of a pond?
Aerobic organisms
Is a photosynthetic bacterium an autotroph or heterotroph?
Autotroph
What are the five conditions for bacterial growth?
Moisture, moderate temperature, nutrition, darkness, proper amount of oxygen
Grandmother boiled peaches for a prescribed amount of time. What condition for bacterial growth did she remove?
Moderate temperature
Grandmother created a vacuum in a her jar by removing all air. What condition for bacterial growth did she remove?
Proper amount of oxygen
Grandmother stored ground meat in the freezer. What condition for bacterial growth did she remove?
Moderate temperature
Grandmother dehydrated berries by letting them sit on a clean plate covered with a cloth. What condition for bacterial growth did she remove?
Moisture
A copy of the complete DNA is made just before a bacterium splits into two separate bacterium. What event just happened?
Asexual reproduction
Are saprophytic bateria autotrophs or heterotrophs?
Heterotrophs
Are saprophytic bateria producers, consumers, or decomposers?
Decomposers