An example of an aromatic substance is ________.
A. fructose
B. hexane
C. cyclohexane
D. benzene
Answer: D
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Which statement regarding control of pancreatic secretion is correct?
a. Gastrin stimulates release of a substance that neutralizes acid. b. CCK stimulates release of enzymes. c. Secretin stimulates release of bicarbonate. d. All of the above are correct. e. Only b and c are correct.
Endocrine glands
A) have ducts. B) secrete hormones. C) secrete substances onto a surface or into an organ. D) do both secrete hormones and secrete substances onto a surface or into an organ. E) have all of these characteristics.
Which property of water is significant in children born prematurely because it causes the air sacs to collapse in the lungs, making breathing difficult?
a. specific heat b. water reactivity c. surface tension d. capillary action
The primarily hydrophilic leader sequence of secretory proteins allows it to be inserted into the cisterna of the endoplasmic reticulum.
Answer the following statement true (T) or false (F)