Bacteria, viruses, Protists, fungi Flashcards
Anatomy of virus
- Nucleic acid (DNA/RNA)
2. Protein coat called capsid
Why do viruses invade cells
Viruses invade cells because they are in active outside of the host (virions), they lack ribosomes needed for metabolisms and they use the raw materials of the host cell to be able to reproduce
Lytic cycle summary
- Adsorption
- Penetration
- Replication/ maturation
- Assembly
- Lysis and release
Lysogenic cycle
- Adsorption
- Penetration
- Integration
- Spontaneous induction
- Replication/ maturation
- Assembly
- Lysis and release
How are viruses beneficial to humans?
They are beneficial because of genetic engineering – harmless virus carries good genes into cells
What is the basic bacterial anatomy?
DNA region, ribosomes, cell wall, and plasmid
The classifications and shapes of bacteria
Bacillus: rod shaped, coccus: spherical shaped, Spirillium: spiral shaped, Spirochete: wormlike spiral shape
Groupings of bacteria
Diplo: groups of 2/paired, strepto: chains, staphylo: grape like clusters
What are the parts of gram-positive
Steam is purple (crystal violet), thicker peptidoglycan, exotoxin (is released when alive)
Are the parts of gram-negative
Stained pink (safarin), thin peptidoglycan, endotoxins (is released when dies)
What is the part of asexual
Binary fission
What is binary fission, asexual or sexual
Asexual
What are the different parts of sexual
Conjugation, transformation, transduction
What is conjugation, transformation, transduction part of, asexual or sexual
Sexual
What is binary fission
It involves the copying of the DNA and the splitting into two new cells
What is transformation
Bacteria picks up DNA from dead bacteria cells and incorporates it into its own DNA
What is transduction
It uses a virus to transfer DNA from one bacterium to another using bacteriophages
What is conjugation
When bacteria is able to transfer its DNA into another bacteria by means of a pilus/exchange of DNA
What is a sexual reproduction
Binary fission/exact replica
What is sexual reproduction
Exchange of genetic material/conjugation
What kind of reproduction has the exact replica
Asexual reproduction
What kind of reproduction has exchange of genetic material
sexual
When do endospores form
They form when habitat conditions become harsh/little food
What is an endospore
An endospore is a spore that forms when the habitat conditions become harsh: survival mechanism of bacteria
What are examples of harmful bacteria
Tuberculosis, pneumonia, strep throat…
Give examples of beneficial bacteria
Bacteria put the tang and yogurt and the sour in sourdough bread
What is distinct about protists and their cells
Protists are single celled except for slime mold which is multi celled
What is kingdom Protista known as because of the different kinds of organisms it holds
The junk drawer
Which kingdom is known as the junk drawer
Kingdom Protista
What are protozoansAnd how do they get energy
They are animal like single celled organisms and heterotrophic
What is algae and how does it get its energy
It is plant like single or multi celled organisms and is photo trophic
What is slime mold and where does it get its energy
It is funguslike and is saprophytic
What is the name of the organisms that are animallike single celled and get energy as heterotrophic
protozoans
What organisms is plant like single or multi celled and get energy as photo trophic
Algae
What organism is funguslike and gets energy as saprophytic
Slime mold
What are the four protozoan Phyla
Sacordinians
Zoomastigina
Ciliophorans
Sporozoans
Sacordinians
Moves using pseudopods/false feet
Zoomastigina
Moves using flagella
Ciliophorans
Presence of hair like organelles called Cilia
Sporozoans
Non-motile and form spores
Which algae has diatoms
Golden brown algae
Which Algae has dinoflagellates
Fire algae
What is in golden brown algae
Diatoms
What is in fire algae
Dinoflagellates
What is the difference between acrasiomycota and myxomycota
Acrasiomycota is a multicellular group that forms due to lack of food. Myxomycota is multinucleate with one cell membrane
What is a multicellular group that forms due to lack of food
Acrasiomycota
What is multinucleate with one cell membrane
Myxomycota
Is the basic anatomy of a fungi
- Cap
- Gills
- Stalk
- Hyphae
- Underground hyphae: mycelium
What is the definition of Hyphae
Long branching filamentous structure
What are the three ways fungi gain energy
- Saprophytic
- Parasitic
- Symbiotic/ lichen
What is the difference between the three fungi phyla
- Zygomycota: has two hyphaes join and shoot up 2. Basidiumycota: hyphaes form basidium with four spores on each
- Ascomycota: formation of ascus non-motile spores formed
What are the three fungi phyla
- Zygomycota
- Basidiumycota
- ascomycota
What’s the difference between an endospore and a fungal spore
An endospore is a bacteria that forms a hard shell because of the lack of food. A fungal spore is a means of reproduction
What is an endospore
An endospore is a bacteria that forms a hard shell because of the lack of food.
Why is a virus not a living organism
A virus is not a living organism because it needs hosts ribosome materials to reproduce. (Outside of host it is called a virion) it uses the raw materials of the host cell
What is a plasmid bacteria
Circular DNA
What Is circular DNA
Plasmid
How many cells does fungi have
It is multicellular except for yeast
Where examples/organisms found in each phyla for fungi
Z: bread mold,
B: mushroom/yeast,
A: yeast/sac fungus/Nuro Spond
The benefits of fungi
yeast
What Are the harmful aspects of fungi
Athletes foot/ringworm/potato blight