To test for protein, you added Biuret solution and
observed color changes. Suppose that the color
data below was observed.
Gelatin
(+ Control)
Pink/purple
Water
(-Control)
Pink/purple
Mystery Food
Sample
Blue
The data above indicate an error. How do you
know? What might have caused the error?

answer: the correct option is d. enzyme

lactase and carbonic anhydrase are the examples of enzymes.

lactase is an enzyme, which is present in the small intestine of mammals. it in the digestion of the disaccharide, lactose ( milk sugar) by converting it into two monosachharide, which are glucose and galactose.

carbonic anhydrase is present in the red blood cells. this enzyme plays significant role in the transport of co₂. it in the conversion of co₂ and h₂o into carbonic acid, which is then dissociated into bicarbonate ions and hydrogen ions.

a. 35°c

b. 25°c

c. 10°c

d. 40°c

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,

answerblank(1) unconditioned stimulusblank(2); unconditioned response