When a potassium ion k moves from the soil into the

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59) When a potassium ion (K + ) moves from the soil into the vacuole of a cell on the surface of a root, it must pass through several cellular structures. Which of the following correctly describes the order in which these structures will be encountered by the ion? A) plasma membrane primary cell wall cytoplasm tonoplast B) secondary cell wall plasma membrane primary cell wall cytoplasm tonoplast C) primary cell wall plasma membrane cytoplasm tonoplast D) primary cell wall plasma membrane tonoplast cytoplasm vacuole E) tonoplast primary cell wall plasma membrane cytoplasm Answer: C Topic: Concept 6.7 Skill: Application/Analysis 60) A cell lacking the ability to make and secrete glycoproteins would most likely be deficient in its
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17 Skill: Knowledge/Comprehension 61) The extracellular matrix is thought to participate in the regulation of animal cell behavior by communicating information from the outside to the inside of the cell via which of the following? 62) Plasmodesmata in plant cells are most similar in function to which of the following structures in animal cells? 63) Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through A) plasmodesmata. B) intermediate filaments. C) tight junctions. D) desmosomes. E) gap junctions. Answer: E Topic: Concept 6.7 Skill: Knowledge/Comprehension 64) Which of the following makes it necessary for animal cells, although they have no cell walls, to have intercellular junctions?
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18 Topic: Concept 6.7 Skill: Synthesis/Evaluation 65) Recent evidence shows that the extracellular matrix can take part in regulating the expression of genes. A likely possibility for this might be which of the following?
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