Vocabulary
The definition for symbiosis:
What is a stable association of two or more organisms?
Organism that hunts and kills for food
What is a predator
An organism that takes sunlight as a source of electrons, water, and carbon dioxide to convert into glucose and oxygen
phototroph (photoautotroph)
3 types of beneficial symbiotic relationships
What are Commensalism, Cooperation, Mutualism
When an initial colonizing bacteria deposits extracellular polymeric substance to form the matrix of a biofilm, and other bacteria obtain carbohydrates from the biofilm environment
What is an example of commensalism?
A non-symbiotic relationship in which one organism benefits by getting food, and the other organism's population benefits by being kept from overpopulation and disease.
What is a predator-prey relationship?
They used a T2 bacteriophage to label a) the protein capsid with S-35 and b) the nucleic acid with P-32 to tract transformation in E.coli
Who are Hershey and Chase (1952)
Mutualistic Relationship or the definition of mutualism:
What is when both organisms benefit and the interaction is required?
When A. fumigatus, the fungus, inhabits the respiratory tract of a human (assuming the human is not immunocompromised)
What is an example of a commensalistic relationship
A non-symbiotic relationship in which organisms work together in order to help each other survive.
What is a cooperative relationship?
He sought to make a vaccine using S. pneumoniae, and in the process, his experiments demonstrated that living R strain could take up the DNA of heat-killed S strain to make virulent S strains
Who is Griffith (1928)?
Definition of commensalism:
M. leprae for human cells (type of symbiosis)
What is an example of a parasitic relationship?
If a prey species becomes extinct, what outcome is most likely for its predator's population?
What is the predators that eat the prey may decrease in population or become threatened.
The highly-charged phosphate molecule that helps carry out the cellular work
What is ATP?
Definition of parasitism, or a parasitic relationship:
What is one organism benefits while the other is harmed?
Nitrogen-fixing bacteria living in a protozoan inside of a termite
What is an example of a mutualistic relationship
Bees and butterflies both get nectar from flowers as a food source. If most of the flowers died in a particular area, what would the bees and butterflies have to do because of the limited food supply?
What is the bees and butterflies would have to compete for food.
What is the long-term stationary phase?