Polyunsaturated vegetable oils can be changed from liquids to solids by
A. decreasing the number of double covalent bonds in their fatty acids.
B. adding more unsaturated fatty acids to the molecules.
C. removing the glycerol portion of the molecules.
D. removing hydrogens from the molecules.
Answer: A
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(visualize self in raft) You are nearly deafened by the first heart sound, which is caused by
the opening of the atrioventricular valves. the closing of the atrioventricular valves. the opening of the semilunar valves. the closing of the semilunar valves.
The basic histological and functional unit of the kidney is the
A) glomerulus. B) filtration membrane. C) nephron. D) podocyte. E) renal corpuscle.
What type of epithelium is found in the epidermis?
A. Nonkeratinized stratitified cuboidal B. Keratinized stratified cuboidal C. Transitional D. Nonkeratinized stratified squamous E. Keratinized stratified squamous