You Are Studying the Effects of Different Substances on Frog

question 183

Multiple Choice

You are studying the effects of different substances on frog heart muscle cells.You treat the cells with a substance that blocks gap junctions.What do you expect will occur?

• A) The cells will not be able to maintain their structure.
• B) The gap junctions will not be able to provide stability.
• C) The electric current will not spread evenly to adjacent heart cells.
• D) Nutrients will not pass between the cells.
• E) Nerve impulses will not be transmitted to the cells.

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