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
Acids:
a. Release hydroxyl ions when dissolved in water
b. Are proton acceptors
c. Cause the pH of a solution to rise
d. Release protons when dissolved in water
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
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