During defecation

A lab group is sent to the cafeteria to do an experiment.  The instructions direct each student to obtain a regular saltine cracker and to chew it 25 times before swallowing.  Most students record that the cracker initially tastes salty, but then tastes sweet.  Which of the following correctly explains the students’ observations?

Experiment Questions 71.  When you added IKI to starch, was this a negative control, a positive control, or a test? [71] 72.  When you added Benedict’s reagent to starch, was this a negative control, positive control, or a test? [72]

25. Identify the function of the structure indicated by #25 [25]. 26. Identify the specific type of tissue indicated by #26 [26]. 27. Identify the specific structure indicated by #27 [27].   

51.  Identify the specific structure indicated by #51 [51] 52.  State the function of the structure indicated by #51 [52] 53.  Identify the specific single large bump indicated by #53 [53]

Lipogenesis

Chymotrypsin is an enzyme that can break down dipeptides into amino acids.

16. Identify the ridge or fold in the field of view. [16] 17. Identify the specific structures AND general layer indicated by the tip of the pointer. [17] 18. Identify the function of the specific structures at the tip of the pointer [18]

Bonus Questions Bonus 1:  Identify the groove indicated by Bonus 1. [1] Bonus 2:  Identify the feature AND specific structure indicated by Bonus 2. [2]   

58.  Identify the specimen AND specific structure at the tip of the pointer. [58] 59.  Name two specific substances produced by the structure at the tip of the pointer. [59] 60.  Name one hormone that increases secretions from the structure at the tip of the pointer.  [60]