Proteins do not pass through plasma membranes because
A) the membrane is made of protein.
B) they contain nitrogen.
C) they are very large molecules.
D) they cause emulsification.
Correct Answer:
Verified
Q25: The term 'tonicity' refers to
A)the concentration of
Q26: _ help keep the lungs clean.
A)Cilia
B)Flagella
C)Basal bodies
D)Microvilli
Q27: Which organelle is involved in processing,packaging,and secretion
Q28: Small lipid soluble molecules would move through
Q29: _ are small hair-like extensions that produce
Q31: What differentiates passive transport from active transport?
A)Passive
Q32: What is the function of intermediate filaments?
A)Cell-to-cell
Q33: Which elements of the cytoskeleton help maintain
Q34: The random movement of simple substances from
Q35: Sperm use _ for movement.
A)cilia
B)flagella
C)microvilli
D)microfilaments
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