In general, water-soluble molecules diffuse through the ______ ______; and lipid-soluble molecules diffuse through the ______ ______
A. membrane channels; membrane channels
B. membrane channels; lipid bilayer
C. lipid bilayer; membrane channels
D. lipid bilayer; lipid bilayer
E. None of these choices is correct.
B
Anatomy & Physiology
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A. S2 B. C2 C. C1 D. T1 E. C7
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What is the male's germ cell?
A. Spermatogonia B. Sperm C. Spermatozoa D. Spermatid
Anatomy & Physiology
A gap junction forms when opposing membrane-spanning proteins called ________ on two adjacent cells unite, creating a protein channel that is capable of opening and closing.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Which structures increase the absorptive area of proximal convoluted tubule cells?
a) microvilli b) flagella c) cilia d) rugae
Anatomy & Physiology