1/11 CLASS PT 2 Flashcards
what are some benefits of microbes
produce fermented foods, industrial chemicals, and products used in manufacturing and medicine; used as tools in biomedical research, decompose organic waste, producers in ecosystem by photosynthesis
whats biotechnlogy
use of microbes to produce foods and chemicals
what does recombinant DNA technology enable bacteria and fungi to produce
a variety of proteins, including vaccines and enxymes
how can missing or defective genes in human cells be replaced
gene therapy
wha does bacteria do in bioremediationn
bacteria degrade organic mater in sewage + degrade/detoxity pollutants like oil and heavy metals
what do microbes that are pathogenic to insects function as
alternatives to chem pesticides in preventing insect damage to agricultural crops and sieges transmission
what is bacillus thuringienses toxin fatal to
many insects but harmful to humans, animals, plants
why?
because it produces protein crystals toxic to insects
why has the toxin gene been inserted into some plants
to confer insect resistance
what are normal microflora / normal microbioatea
microbes normally present in and on the human body
what does normal microbiota prevent
growth of pathogens
what does normal microbiota produce
growth factors, like folic acid and vitamin K
do all multicellular organisms interact with microbes
yes
whats normal microbiota the collection of
acquired micro organisms on or in a healthy human being
how is normal microbiota acquired
begin to acquire as newborns, may colonize body indefiently or fleetingly
