Diffusion may take place even when a concentration gradient is absent.
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Q20: A microfilament is made of tiny rods
Q21: Nuclear pores are channels composed of tubulin,
Q22: Cells in different tissues vary considerably. What
Q23: Among other functions, lysosomesdetoxify alcohol and break
Q24: What is endoplasmic reticulum?
A) Formless liquid
B) Cellular
Q26: Roughly how many cells are in the
Q27: In prophase, DNA is tightly coiled into
Q28: The movement of glucose through a cell
Q29: A nucleolus is composed largely of what
Q30: What are the three basic parts of
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