Unit 3

Question 1

what are the advantages of in vivo study

Answer 1

provides data for effects in whole organisms

allows study of complex interactions

Question 2

what are the advantages of in vitro study

Answer 2

simpler and less expensive
easier to control confounding variables
easier interpretation of results
can demonstrate correlation and causation

Question 3

what are the disadvantages of in vivo study

Answer 3

expensive and time consuming 
ethical and legislative concerns 
difficult to control confounding variables 
hard to interpret results
difficult to prove causation

Question 4

what are the disadvantages of in vitro study

Answer 4

difficult to extend results to whole organism or different species
difficult to model complex interactions.