Which type of lipid is the most abundant and richest source of energy in vertebrate bodies?
a. Triglycerides
b. Fatty acids
c. Carbohydrates
d. Oils
e. Waxes
a
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Which scientist specializes in categorizing and describing groups of organisms?
A) botanist B) entomologist C) herpetologist D) systematist
You drop a handful of common table salt into a glass of water. Which of the following best describes what is happening inside the glass at the molecular level?
A) The positively charged hydrogen ends of the water molecules are attracted to sodium ions. B) Sodium and chloride ions form a covalent bond. C) The positively charged hydrogen ends of the water molecules are attracted to chloride ions. D) Water and sodium form a covalent bond.
How are newly made lipids supplied to the plasma membrane?
A.) via the constitutive pathway of exocytosis B.) via vesicles that bud from the ER and fuse with the plasma membrane C.) via enzymes that synthesize phospholipids, which are attached to the plasma membrane D.) via secretory vesicles produced by the regulated exocytosis pathway E.) via lysosomes
What type of test is a CEA test?
A. self-examination B. a type of cervical cancer test C. a type of prostate cancer test D. a tumor marker test E. a genetic test