Why is it that fatty acids and many amino acids CANNOT be converted to glucose?
a. glucose is necessary to start the metabolic processes
b. other organic molecules cannot be converted to glucose
c. they are not used for energy production
d. their catabolic pathways produce acetyl-CoA
Ans: d. their catabolic pathways produce acetyl-CoA
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Which of the following tissues are avascular?
A. Epithelial tissue and cartilage B. Muscle tissue and cartilage C. Nervous tissue and muscle tissue D. Bone and cartilage E. Nervous tissue and bone
Which solutes are reabsorbed from the nephron loop? select all that apply.
a) sodium loops b) glucose and amino acids c) chloride d) water e) potassium ions
The four most abundant elements in the human body are
A. calcium, hydrogen, sodium, and potassium. B. carbon, oxygen, magnesium, and zinc. C. carbon, hydrogen, oxygen, and nitrogen. D. carbon, hydrogen, oxygen, and iron. E. carbon, sulfur, calcium, and potassium.
Delicate projections that form from the ethmoidal labyrinth are
A) olfactory foramina. B) pterygoid processes. C) sphenoidal sinuses. D) superior and middle nasal conchae. E) auditory ossicles.