essay Flashcards
1
Q
how does crispr work
A
guide rna and cas 9 protein bind to target dna, cas9 unwinds the dna and checks if it is complementary to grna
cas9 cuts the strands
repair enzymes can then introduce new genes or fix the mutation
2
Q
how does cf work
A
cftr gene mutation
cl- channels don’t work, so cl- conc in cells is higher
water from mucus moves into cells
3
Q
what does cholera do
A
toxin binds to chloride channels
chloride conc in lumen is higher bc can’t move in
water moves out of cells
4
Q
how do mycorrhizal networks communicate danger
A
hormones- bind to receptors on other plants- trigger response to the potential danger e.g. secretion of antimicrobial compounds
5
Q
how do mycorrhizal networks give each other nutrients
A
mass flow between organisms
