Which structure is responsible for controlling the entry and exit of substances

Practice Questions

Q1
Which structure is responsible for controlling the entry and exit of substances in a cell? (2022)
  1. Cell wall
  2. Plasma membrane
  3. Cytoplasm
  4. Nucleus

Questions & Step-by-Step Solutions

Which structure is responsible for controlling the entry and exit of substances in a cell? (2022)
  • Step 1: Understand that cells are the basic units of life.
  • Step 2: Know that cells need to take in nutrients and get rid of waste.
  • Step 3: Identify that there is a barrier around the cell called the plasma membrane.
  • Step 4: Learn that the plasma membrane controls what goes in and out of the cell.
  • Step 5: Recognize that this control helps keep the cell stable and healthy, a process called homeostasis.
No concepts available.
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