Structural changes around a double bond in the ________ portion ...

[2125004343]

Structural changes around a double bond in the ________ portion of the rhodopsin molecule trigger the chemical reactions that result in vision.
 
  A) protein
  B) opsin
  C) retinal
  D) cones
  E) rods

Question 2

A 25.5-g piece of cheddar cheese contains 37 fat, 28 protein, and 4 carbohydrate. The respective fuel values for protein, fat, and carbohydrate are 17, 38, and 17 kJ/g, respectively. The fuel value for this piece of cheese is ________ kJ.
 
  A) 450
  B) 330
  C) 790
  D) 99
  E) 260

[trampas]

Answer to Question 1

C

Answer to Question 2

A