Extras for lec exam #1 Flashcards
(18 cards)
How does yeast make ethanol?
Through fermentation and without the presence of O2
How does yeast make CO2?
Through krebs cycle and with the presence of O2
Protists characteristics:
- Have diatoms (glass-like structures)
- Cell wall made of cellulose
Protozoa characteristics:
- Have cilia or flagella
- Can have pseudopods
Fungi characteristics:
- Non-photosynthetic
- Cell wall made of chitin
What are viruses made of?
Proteins + genetic material
How do prokaryotic cells make energy?
Through mutation
In prokaryotic cells, where is DNA stored?
In nucleoid
Crosslinks in gram negative cell wall has:
Pentapeptide
Crosslinks in gram positive cell wall has:
No pentapeptide-> direct link from tetra to tetra
Where is acid fast strain found?
On surface of cell wall in GRAM POSITIVE
Inclusions:
Reduces OP by enclosing volutin granules, phosphates, and starches-> hides it from water-> no dilution
Bristle like fibers that stick to each other and are important in colonization:
Fimbria
More common in gram negative cells and are used for colonization + attachment:
Pilus
Cholesterol is found in?
Plasma membrane of eukaryotic cells only
Which flagella makes you go forwards and which makes you turn in prokaryotic and eukaryotic cells?
Prokaryotic: run and tumble (turning)
Eukaryotic: whipping (forwards)
Prokaryotic used to be called:
Monera
Phylogenies tree concept:
The closer on the tree, the more shared characteristics and the closer in evolution
