The lipid(s) used as the basis of vitamin D, sex hormones, and bile salts is/are:
a. Triglycerides
b. Cholesterol
c. Phospholipids
d. Prostaglandin

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The lipid(s) used as the basis of vitamin D, sex hormones, and bile salts is/are:
a. Triglycerides
b. Cholesterol
c. Phospholipids
d. Prostaglandin
Which of the following covalently bonded molecules are polar?
(a)
(b)
(c)
(d)
Identify each reaction as one of the following:
a. A synthesis reaction
b. A decomposition reaction
c. An exchange reaction
(1) 2Hg + O₂ → 2HgO
(2) HCl + NaOH → NaCl + H₂O
A triglyceride consists of:
a. Glycerol plus three fatty acids
b. A sugar-phosphate backbone to which two amino groups are attached
c. Two to several hexoses
d. Amino acids that have been thoroughly saturated with hydrogen
Provide the atomic symbol for each of the following elements:
a. Calcium
b. Carbon
c. Hydrogen
d. Iron
A deficiency in this element can be expected to reduce the hemoglobin content of blood:
a. Fe
b. I
c. F
d. Ca
e. K