Cell Membrane Structure and Transport Mechanisms Part 2
This deck covers key concepts related to cell membrane structure and transport mechanisms, including diffusion, active transport, organelle functions, and homeostasis.
Identify the similarities between facilitated diffusion and simple diffusion.
Both are processes of molecules moving through the cell membrane
Neither requires the cell to use any energy
Materials move from areas of higher concentration to areas of lower concentration
Key Terms
Identify the similarities between facilitated diffusion and simple diffusion.
Both are processes of molecules moving through the cell membrane
Neither requires the cell to use any energy
Materials move from area...
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| Term | Definition |
|---|---|
Identify the similarities between facilitated diffusion and simple diffusion. | Both are processes of molecules moving through the cell membrane |
Which of the following is true of active transport? | Molecules called pumps function to control active transport. |
The sodium-potassium pump is vital to the proper function of which body system? | Nervous |
Which of the following is not an example of active transport? | Osmosis |
Which of the following terms refers to the movement of materials through a cell membrane by using the cell's energy? | Active transport |
Which of the following are examples of passive transport? | Diffusion, Osmosis, Facilitated diffusion |
_____ occurs when the cell membrane surrounds and engulfs large particles, such as white blood cells engulfing bacteria. | Phagocytosis |
_____ is the process used by an amoeba to excrete waste. | Exocytosis |
_____ move around the cytoplasm, and digest substances that do not belong, or are no longer needed. | Lysosomes |
Which organelle is involved in the storing of water in plant cells? | Vacuole |
Selectively permeable membranes allow ______. | only certain molecules to pass through |
Match each organelle to its corresponding description. allows materials in or out of the cell | cell membrane |
Match each organelle to its corresponding description. packages and ships material | Golgi complex |
Match each organelle to its corresponding description. forms around materials, and exports out of the cell | vesicle |
Match each organelle to its corresponding description. determines what enters and exits the nucleus | nuclear envelope |
Match each organelle to its corresponding description. destroys unwanted materials in the cell | lysosomes |
Which of the following statements correctly describes the concept of homeostasis? | Homeostasis is a process in which cells maintain a stable internal environment. |
A jackrabbit is a warm-blooded animal that lives in the desert. In the desert the temperature is over 110 degrees during the day. How can the jackrabbit maintain thermoregulation? | By releasing excess heat through its oversized ears |
Which organ(s) plays a major role in maintaining homeostasis when toxins build up in the body? | Kidneys |