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dozsyerra
dozsyerra
09.07.2019 • 
Biology

(there are 5 questions ) question 1 what is one difference between a cell wall and cell membrane? a) cell walls do not connect cell to cell. cell membranes only connect cell to cell b) cell walls contain vesicles. cell membranes contain plasmids c) only plant cells have cell walls. only animals have cell membranes d) the cell wall is a rigid structure. the cell membrane is flexible question 2 what structural feature of cells can allow molecules to flow directly from the inside of one cell to the inside of the next? a) plasmids b) chloroplasts c) cilia d) plasmodesmata question 3 when non-nerve cells become involved in response to signals, which type of receptor goes into action? a) endomembrane receptor b) ion channel linked receptor c) intracellular receptor d) enzyme linked receptor question 4 which is not an example of intercellular communication? a) control of cell division b) molecule in a cell changes function of cell c) molecular movement within a cell d) reaction to pheromones question 5 which is not an example of intercellular communication? a) a molecule stimulates a target cell via a receptor b) a message is distributed across plasma membrane c) an electrical signal cause muscle cells to contract together d) a message travels between gap junctions

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