Podcast
Questions and Answers
Which process allows substances like carbon dioxide or oxygen to move across the cell membrane?
Which process allows substances like carbon dioxide or oxygen to move across the cell membrane?
- Active transport
- Endocytosis
- Diffusion (correct)
- Exocytosis
What is the movement of a substance from a region of high concentration to a region where its concentration is low called?
What is the movement of a substance from a region of high concentration to a region where its concentration is low called?
- Endocytosis
- Diffusion (correct)
- Active transport
- Osmosis
Which of the following is the primary function of the plasma membrane?
Which of the following is the primary function of the plasma membrane?
- To selectively permit the entry and exit of some substances into and out of the cell (correct)
- To allow the entry and exit of all substances into and out of the cell
- To selectively permit the entry and exit of only water into and out of the cell
- To prevent the movement of all substances into and out of the cell
Which of the following substances requires to be excreted out of the cell?
Which of the following substances requires to be excreted out of the cell?
What is the term used to describe the cell membrane's ability to selectively permit the entry and exit of some substances into and out of the cell?
What is the term used to describe the cell membrane's ability to selectively permit the entry and exit of some substances into and out of the cell?
Which of the following is NOT a function of the plasma membrane?
Which of the following is NOT a function of the plasma membrane?
What is the term used to describe the movement of substances from a region of low concentration to a region where its concentration is high?
What is the term used to describe the movement of substances from a region of low concentration to a region where its concentration is high?
Which of the following is the primary function of the cell membrane?
Which of the following is the primary function of the cell membrane?
