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Name the five things that makes plant science important
\:Origins of drugs ecological /environmental agriculture and forestry Health New technology like biotech
define ethnobotany
the study of the relatonship between plants and people (drugs)
What percentage of drugs are are ethnobotanically derived?
25%
How many drugs trace back to an origin of natural plants?
68%
approximately how many years ago were crops domesticated?
5-8000 years ago
What book did jared diamond write, and what did he say about ancient farming?
Guns, Germs, and Steel the world was transformed by farmer power after crops “evolved”
what two plants combined together to form wheat, and what actually happened?
crossed eichorn and wild grass increased the poidy number of the hybrid. producing wheat
What are the three main threats to biodiversity?
• conversion of natural areas and loss of diversity to habitat loss • Invasive species • global warming
give some examples of invasive species
Purple loosetrife, wild parsnip
define”el nino”
The warming of the oceans
What is the first and only genetically engineered viable plant crop?
canola
What are two ways that biofuels can be made
pyrolysis and fermentation
when did popularity of natural plant remedies rise?
the 90s
define anxiolytic plants?
plants that are used to treat anxiety
list some ethnobotanically derived drugs
curare, digoxin, quinine
what traditonaly used chinese plant was adopted by the WHO for treatmetn of malaria?
artemesinin
what is a taxol?
prevents tubulin assembly and is used for treatment of breast cancer and ovarian cancer
what did peter facchini do?
characterized the last genes of morphine, so that you can grow morphine from yeast
What did scientists do to keep fruit from ripening?
an ethylene biosynthesis gene inserted in the antisense direction
what compound was used to make corn stalks stronger?
oxalate oxidase