Transport Across the Cell Membranes
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Transport Across the Cell MembranesQuestions
- Question #32fee
- What is facilitated transport?
- What is the difference between passive and active transport?
- How does filtration across cell membranes occur?
- What is this process when cells use passive and active transport to move materials across the cell membrane for the maintenance of a constant internal environment within the cell?
- Will glucose be able to move across a cell membrane by simple diffusion? Why or why not?
- What is uniport, symport, antiport membrane transport?
- What are three transport processes in cells that do not require energy?
- Why is it advantageous for cells to have active transport mechanisms?
- How does a phospholipid bilayer affect the movement of substances across membranes?
- Why do molecules like glucose require a carrier protein to get across the cell membrane?
- How does oxygen and carbon dioxide move across cell membranes in humans?
- Which method(s) of cellular transport require energy? Which method(s) do not?
- Question #064b2
- What are some substances that are transported through the cell membrane by simple diffusion?
- What is the role of the cell membrane in both active and passive movement of molecules?
- What is the type of cellular transport that moves substances against the concentration gradient?
- Is energy required to move oxygen molecules across the cell membrane from an area of high concentration to an area of low concentration?
- How do molecules move across the plasma membrane?
- What is the effect of suspending the cells in hypotonic, hypertonic and isotonic environment?
- What direction will water move if a cell is placed in a hypotonic solution?
- How does the sodium-potassium pump work?
- How does the Na+/K+ pump affect the ion distribution in a neuron?
- What would happen if the sodium potassium pump was destroyed in a cell?
- How does the sodium potassium pump differ from facilitated diffusion?
- How would you explain the mechanism of sodium-potassium pump?
- What is the sodium potassium pump an example of?
- What is the purpose of the Na+ and K+ pumps in animals?
- What molecules are losing energy (known as oxidation) and gaining energy and (known as a reduction) in the electron transport chain?
- What will happen to the percentage of glycated hemoglobin if blood sugar increases?
- How do the nutrients from food get into the cell?
- How do carrier proteins work?
- What is the structure and function of "electron transport chain" in chloroplast and mitochondria?
- What molecule does oxygen become a part of at the end of the electron transport chain?
- Where in the mitochondrion does the electron transport chain take place?
- In prokaryotes, where is the respiratory electron transport chain located?
- What is the difference between oxidative phosphorylation and the electron transport chain? Are they synonymous or does one follow the other?
- How does the electron transport system work?
- Question #0e704
- What are passive and active transport?
- Why do we need sodium?
- What is one example of active transport?
- What is the sodium potassium pump? How does it work?
- What does the sodium-potassium pump use?
- What role does the sodium-potassium pump perform in the body?
- How does the sodium-potassium pump work in nerves cells?
- The sodium-potassium pump is important in what cell function?
- How would you explain active transport of Na+ and K+ in plasma membrane?
- What is the sodium-potassium pump, and what is its functional significance?
- What does a sodium potassium pump do for a cell?
- Where do you think the sodium-potassium pumps are made in the cell, and how do you think they become inserted into the lipid bilayrer of the plasma membrane?
- What is the action of the sodium-potassium pump?
- What are three functions of the Na+ K+ pump?
- The sodium potassium pump uses (what) to pump (what) out of the cell and (what) into the cell?
- The function of ATP during the operation of the sodium-potassium pump is to do what?
- Why is the sodium-potassium pump important?
- What is the sodium-potassium antiport exchange pump?
- What molecules are involved in the sodium potassium pump?
- What is the function of ATP during the operation of the sodium-potassium pump?
- How do things get in and out of cells?
- What is bulk transport?
- How is waste removed from the cell?
- What are the special structures in the cell membrane that allow materials such as water and sugar to pass through made of?
- What kinds of materials may be prevented from passing through a cell membrane?
- What do you call movement across a cell membrane that does not require energy from the cell?
- What is a portal vein?
- If a food does not turn Biuret solution violet do you know what nutrients the food contains?
- What part of the membrane do small uncharged particles diffuse through?
- Question #fc7ff
- How do substances move in passive transport?
- How does potassium ions enter a cell?
- Why do materials diffuse across a membrane?
- What two processes allow materials into and out of cells?
- Why are transport proteins needed in the cell membrane?
- Question #32ac4
- Question #924dc
- What sort of molecules could easily cross the non-polar region occupied by the tails of the two layers of a phospholipid?
- If phospholipids were placed in a non-polar solution, would they still form a bilayer?
- What will happen if a bacterial cell is placed in a hypotonic solution with penicillin?
- Question #4a30d
- What is cellular transport?