A myelin sheath is composed primarily of ________.
A. glycoproteins
B. proteins
C. lipids
D. carbohydrates
E. polysaccharides
Answer: C
You might also like to view...
A group of cells was treated with a proteolytic (protein-digesting) enzyme. Which of the following processes would be least affected by this treatment?
A. Diffusion of Na+ through membrane channels B. Diffusion of lipid-soluble molecules through the plasma membrane C. Use of carrier molecules in facilitated diffusion D. Secondary active transport E. Sodium-potassium exchange pump
Venous blood in systemic circulation is poorer in oxygen and richer in carbon dioxide
Indicate whether the statement is true or false
What is the exocrine function of the pancreas?
What will be an ideal response?
Urine is moved down the ureters by means of gravity.?
Indicate whether the statement is true or false