You wish to test the same unknown food for the presence of sugars. Describe how you would do So?
What will be an ideal response?
Place a sample of the food in a test tube. Add Benedict's solution to the tube and heat in a boiling water bath. Look for a change in color from blue to green or yellow, orange to
red, or brown.
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Desmosomes are structures that permit direct communication between cells by allowing the cells to exchange small molecules in their cytoplasms.
Answer the following statement true (T) or false (F)
Neuropeptide Y stimulates
a) Release of insulin b) Inhibition of glucagons c) Thirst centers d) Thermogenesis e) Food intake
Which correctly describes the heart's apex?
A. Projects slightly anteroinferiorly toward the left side of the body B. Projects slightly anteroinferiorly toward the right side of the body C. Projects slightly posteroinferiorly toward the left side of the body D. Projects slightly posteroinferiorly toward the right side of the body E. Projects slightly posteroinferiorly toward the midline of the body
Peristalsis is a process in which
A. the entire esophagus contracts at once. B. food is mechanically digested as it is repeatedly squeezed in a closed organ. C. food is squeezed forward through the digestive tract. D. food can move forward or backward. E. contraction can only occur when food is present.