The plasma membrane of cells lining the small intestine has ________, which are specialized for absorption of nutrients.
A. flagella
B. microvilli
C. cilia
D. a glycocalyx
E. dynein arms
Answer: B
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A chemical buffer system consists of a pair of substances involved in a reversible reaction, one that can yield free H+ and one that can bind with free H+
Indicate whether the statement is true or false
What is the most abundant extracellular cation?
A) chlorine ion B) potassium ion C) magnesium ion D) sodium ion
What effect would cutting the vagus nerve branch that innervates the stomach have on gastric function?
What will be an ideal response?
List the elements that make up organic compounds
A) hydrogen and oxygen only B) hydrogen and carbon, and generally oxygen as well C) hydrogen, oxygen, sodium, chloride D) sodium, chloride, and potassium E) hydrogen, nitrogen, and sodium