Chap 17 Flashcards
Body plan of a virus?
Protein coat and a RNA or DNA core.
When the HIV-AIDS virus enters a T-cell…?
- The whole virus enters the cell and then sheds it cost
2. The RNA changed to DNA and then links to the hosts DNA
Various types of viral flu indicate…?
Change through time
Virulence?
The ability to cause disease.
Antibiotics?
Germ killing substances produced by moulds or fungus.
Bacterial coil shape?
Spirillum.
Bacterial rod shape?
Bacillus.
Bacterial sphere shape?
Coccus.
When bacteria ingest food…?
Release digestive enzymes to the outside environment. Absorb small chemicals from the digested food outside.
The use of inorganic molecules to make complex organic molecules for life is known as…?
Chemo-autotrophs.
Eubacteria.
The largest of all Monera phylum.
Cyanobacteria.
Photosynthetic. Also known as blue-green bacteria.
Archaebacteria.
Live in extremely harsh environments. Produce methane gas.
Gram-Positive
Purple, 1 layer of carbohydrates.
Gram-Negative.
Red, 2 layers of carbohydrates.