oxytrophic mutant, deficient in some metabbolic function
grow mutants on media containing the missing ingredient and media lacking it
if they can grow on media that lacks it, it means they mutated and lacks gene of interest
.
cDNA, when you deal with eukaryote, the RNA is complete because introns have been removed,
.
fluorescent probe, only hybridizes with complementary
differs from western blot, id specific proteins, southern for gene sequences
.
7) cell engulfing prokaryotic organisms
derived mitochondria and chloroplasts
.
biochemical tests are used to determine
enzymatic activity
why aren’t viruses classified in a kingdom?
the do not have cells
Which scientists proposed the kingdom prokaryote in 1968?
Murray.
Bacteria and arachaea share which characteristic?
They are both prokaryotic cell types.
Into which group would you place a single-celled photoautotroph?
Protist.
Which one of the following statements describes the domain Bacteria?
They have prokaryotic cells
Which domain has linear chromosomes?
Eukarya
Which one of the following do not apply to eukaryotic cells?
Have circular chromosomes.
Prokaryotes have 70s and Eukaryotes have 80S Ribosomes
.
Treating DNA from different bacteria with the same restriction enzyme followed by separation of the fragments by electrophoresis is known as
DNA fingerprinting.
Organisms that can form thin tubes called hyphae
Fungi
In the scientific name staphylococcus aureus, Staphylococcus is the?
Genus.
Historically, eukaryotic organisms that did not fit into other kingdoms were placed into?
Protista
Cladograms for microorganisms are made from information derived from?
rRNA sequences.
Fossil evidence indicates that cyanobacteria-like cells first existed on Earth how many years ago?
3.5 billion.
A molecular clock for evolution is based on
Nucleotide sequences in the genomes of organisms.
Which of the following is the correct order in the taxonomic hierarchy from the broadest to most specific
- King
- phy
- class
- order
- family
- genus
- species
Unlike Archaea and Eukarya, the first amino acid in protein synthesis in bacteria is.
Formylmethionine
Genetically related groups of eukaryotes that share a common ancestor are known as?
Clades.
Which one of the following is not a major group of archaea?
Obligate acidophiles
Which of the following techniques can ID antibodies in a patient’s serum.
Western blotting.
To which kingdom do molds belong?
Fungi
The test that involves a reaction between known antibodies and an unknown bacterium is known as
ELISA.
Phage typing - known virus between unknown bacterium
.
A disease acquired by many people in an area in short time
epidemic
In london drank broad street pump
john snow
Germ-free animals
have increased susceptibility to disease.
In commensalism
one organism benefits, the other is unaffected.
An example of a non-communicable disease?
Tetanus.
Microbial antagonism
preventing overgrowth of harmful microorganisms in host.
Prodromal period
stage of disease that is early, mild symptoms.
Clostridium difficile
Leading cause of healthcare-associated infections.
CDC
morbidity and mortality weekly report publishers.
E. coli synthesizing vitamin k and B in large intestine is an example of what type of symbiosis?
Mutualism.