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Home Q & A Board Biology-Related Homework Help Biochemistry
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mikael mikael
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10 years ago
Very large molecules (macromolecules) can be transported across membranes by ________.
A) pores or channels with very large openings through the center
B) active transport proteins
C) diffusion down a concentration gradient
D) endocytosis or exocytosis
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padrepadre
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10 years ago
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mikael Author
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10 years ago
Thanks Padre
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