The earliest period of prenatal development is the ________ period.
A. fetal
B. embryonic
C. infant
D. germinal
E. neonatal
Answer: D
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________ are responsible for identifying and digesting damaged or denatured proteins
A) Peroxisomes B) Proteasomes C) Lysosomes D) Endosomes E) Nucleosomes
The absorptive effectiveness of the small intestine is enhanced by increasing the surface area of the mucosal lining. Which of the following accomplish this task?
A) plicae circulares and intestinal villi B) the vast array of digestive enzymes C) Brunner's glands D) the rugae
By what transport mechanism does glucose enter most cells?
A. diffusion through the lipid bilayer B. primary active transport C. secondary active transport D. diffusion through a protein channel E. facilitated diffusion
Which of the following is least likely to occur late in the postabsorptive state?
A. hydrolysis of triglycerides B. use of acetyl-CoA and ketones for energy C. formation of glycogen D. use of proteins as an energy source E. reduced removal of glucose from the blood