Answer the following statements true (T) or false (F)
1) Interstitial fluid represents one type of extracellular material.
2) The cell (plasma) membrane normally contains substantial amounts of cholesterol.
3) Aquaporins are believed to be present in red blood cells and kidney tubules, but very few
other cells in the body.
bilayer of the plasma membrane.
4) Most organelles are bounded by a membrane that is quite different in structure from the lipid
5) Only one cell type in the human body has a flagellum.
1. TRUE
2. TRUE
3. FALSE
4. FALSE
5. TRUE
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The S-shaped tube of the ear is called the
A. auditory tube. B. bony labyrinth. C. tympanic cavity. D. external acoustic meatus. E. membranous labyrinth.
The pH scale is based on the number of ________ in solution
A) neutrons B) electrons C) protons D) hydroxyls
The ureters are in the
A. peritoneal cavity. B. anterior pararenal space. C. perirenal space. D. posterior pararenal space.
Normal aging causes many effects on the body, including
A) epithelia become thinner. B) repair and maintenance activities become less efficient. C) connective tissue becomes more fragile. D) hormone and lifestyle alterations affect the structure and chemical composition of many tissues. E) All of the answers are correct.