Mueller et al. created a strain of mice that lacked the receptor ...

[nenivikky]

Mueller et al. created a strain of mice that lacked the receptor that normally responds to a bitter substance called Cyx. The mice that did not have this receptor _____.
 
  A) avoided all bitter substances
  B) avoided Cyx, but would eat other bitter foods
  C) did not avoid Cyx
  D) avoided high concentrations of PTC

Question 2

Alex is interested in studying aggressive driving patterns. He gets in his car, cuts some people off on the highway and has his passenger code how the other drivers react. Alex is using which of the following types of observational research?
 
  a. Acknowledged participant
  b. Acknowledged observer
  c. Unacknowledged participant
  d. Unacknowledged observer

[catron30]

Answer to Question 1

C

Answer to Question 2

c

[nenivikky]

Thanks for the timely response, appreciate it

[jomama]

Wow, this really help