Classification
What is the purpose of modern taxonomy?
To distinguish how closely related organisms are
Why don't antibiotics treat most common colds?
colds are caused by viruses
What does the cilia on a paramecium do?
It helps it swim and capture food
What are fungal cell walls made of?
chitin
Prokaryotes reproduce by what process?
Binary Fission
List the eight taxonomic levels in order from broadest to most specific.
Domain, kingdom, phylum, class, order, family, genus, species
Some bacteria live in plant rooms are are able to fix atmospheric nitrogen. Why is this important?
they make useable nitrogen for plants to build DNA and proteins
Which substance stimulates the body's immune response against future invasion by microbes?
vaccine
What is the main function of a fungi's hyphae?
absorbing nutrients
An organism has the following characteristics: cell wall, autotroph, unicellular, and eukaryotic. What kingdom do they belong in?
Protista
Classification of organisms, especially into cladograms, can change. Explain why.
Classification can change with new discoveries and evidence as it arises
Why is fast production bacteria allow bacteria to do?
they can cause quick infections in other organisms by making more of themselves rapidly
Which animal-like protists moves using pseudopods?
amoeba
How are mycelium and a fruting body similar?
they are both made of hyphae
What are the three domains and six kingdoms of life?
Domain Bacteria ---> Kingdom Eubacteria
Domain Archaea ---> Kingdom Archaebacteria
Domain Eukarya ---> Kingdom Protista, Kingdom Fungi, Kingdom Animalia, Kingdom Plantae
How do you tell which organisms are most closely related on a phylogenetic tree (cladogram)?
how close they are to each other in the phylogenetic tree
What is the difference between a lytic and a lysogenic infection?
Lytic infections destroy the host cell. Lysogenic infections don't do that right away. They wait in the body for years before acting.
How is genetic recombination beneficial as a form of sexual reproduction in bacteria?
It allows for greater genetic variation
Describe a protist that would have both animal and plant-like characteristics?
a protist that is a heterotroph and has chlorophyll (can photosynthesize)
Which kingdom(s) can be multicellular or unicellular?
Protista and Fungi
physical traits
What is the outer protein part of a virus called?
a capsid
Why haven't viruses evolved to take in food and make their own energy?
They use the energy of living cells that they infect, so they have no cause to evolve
How would you describe a protist?
a eukaryote that is not an animal, plant, or fungus
Which kingdom(s) are only unicellular?
Bacteria and Archaea