If a doctor injected a patient with what was labeled as an isotonic saline solution, but then the patient died, and an autopsy revealed that several of the patient's red blood cells had burst, such as in the image on the right, would it be true that the injected solution was really isotonic? Why or why not?

Q: Red blood cells look intact and normal in the 0.9% solution. In the 1.5% solution cells are present…

A: When RBCs are placed in 0.9% saline solution, there is no net movement of water in any direction.…

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A: Osmolarity is used to reflect the quantity of solute (particles) in 1 liter of solution.

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A: The plasma membrane is the membrane sourrounding the cells in case of both plant and animal cells…

Q: What would you expect to happen if a chemical causes mutation in microfilaments ?of white blood…

A: Mutation in microtubules of WBC

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Q: Why does osmosis occur?

A: The cells are the primary unit of life. The cell membrane is an integral component of the cell. Cell…

Q: Which organelles contain their own DNA? Also, tell the reason behind it?

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A: Membrane-enclosed regions of the cell that serve a particular purpose are Organelles. All the cells…

Q: In general, which is more damaging to membranes, extreme heat or extreme cold? Why?

A: Cell is covered by a phospholipid bilayer called as Plasma membrane. It is a semi permeable membrane…

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A: The liver is an organ just found in vertebrates which detoxifies different metabolites, incorporates…

Q: If a cell is in interstitial fluid that is hypertonic to its cytosol, how does this affect the cell?…

A: Introduction Salinity refers to the concentration of salt. it plays the major role in the cell…

Q: If we swim in Dead Sea water, are our cell plasmolyzed ? Why?

A: Dead sea water is salty having more salt concentration and less solvent (water) concentration in the…

Q: What would happen if red blood cells were placed in a beaker of distilled water. Why?

A: Osmosis is the process by which two solutions that are separated by a semipermeable membrane and the…

Q: What do you mean by membrane-spanning proteins?

A: Cell membranes separate the cell's interior from the surroundings.

Q: What would happen to a cell if it didn’t contain any lysosomes(or if its lysosomes weren’t…

A: The endomembrane system in eukaryotes includes those cell organelles whose activities are…

Q: What types of human cells would have many lysosomes?

A: Lysosomes can be defined as one of the chief cell organelles that are involved in digestion and…

Q: Intravenous solutions must be prepared so that they are isotonic to red blood cells. A 0.9% salt…

A: The tonicity of a solution is defined as its ability to permit the movement of water molecules…

Q: In the diagram below, which situation is when the red blood cell is exposed to hypertonic solution?…

A: RBC(RED BLOOD CELLS) These are the oxygen carriers of the body present in the bloodstream.  The…

Q: A red blood cell with an internal solute concentration of 3% was placed in a 0.3% saline solution.…

A: The physical and passive process by which movement of solvent or water molecules between two…

Q: What is the difference between smooth and rough endoplasmic reticulum?

A: The endoplasmic reticulum is found in eukaryotic cells that are responsible for the synthesis,…

Q: if you were lost at sea and drank salty water, what would you expect to happen to the cells in your…

A: Osmosis is the process in which water moves from lower solute concentration to higher solute…

Q: When the potato cube is surrounded by a hypotonic solution, what change in mass occurs in the potato…

A: Osmosis is a process by which molecules of a solvent tend to pass through a semipermeable membrane…

Q: Why do most molecules require the assistance of proteins to cross the cellular membrane? What…

A: The cellular membrane is a semi-permeable lipid bilayer. The lipids found in the membrane are…

Q: some bodies of water, like the Dead Sea, have considerably higher salt concentrations than those of…

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Q: What causes the decreased pH in the endosomes and lysosome?

A: Endosomes and lysosomes are the two types of organelles present in cell. A cell is the basic…

Q: Isotonic saline and 5% dextrose in water are solutions considered isotonic to human blood. What…

A: Fluid moves between the fluid compartments by diffusion, a method that regulates water and…

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A: The free radicals, such as superoxide anion (O2-) and hydroxyl radical (OH ), as well as the…

Q: A patient has had a serious accident and lost a lot of blood. In an attempt to replenish body…

A: A hypertonic solution has high concentration of solute, and the water move outside making the cell…

Q: Why do water and small, electrically charged molecules move easily through pores in the plasma…

A: Introduction  The membrane that divides the interior of the cell from the external environment is…

Q: what may happen to the components of the cell membrane if soaked in water

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Q: Why is it unnecessary for our cells to have a cell wall? What might happen if the lysosomes inside…

A: Cell can be described as the basic, structural and functional unit of life or living organisms. Cell…

Q: which part of the endoplasmic reticulum has proteins made inside it?

A: Endoplasmic recticulm is the cell organelle which is present in almost all cells . They have…

Q: Describe the reason why the red blood cells placed in one solution swell and burst and also why the…

A: Red blood cells  The cells which are red in colour and carry oxygen gas to the every cell of our…

Q: Why is the structure of the plasma membrane considered to be a fluid-mosaic model?

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Q: If the potato cells were hypotonic to the surrounding solution, the surrounding solution itself…

A: * Hypotonic solution means the solution will have lower concentration of solutes than water. *…

Q: When the potato cube is surrounded by a hypotonic solution what change in mass occurs in the potato…

A: Tonicity is the phenomenon that takes into consideration the solute concentration. Osmoregulation…

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A: Inflammation is caused by the body’s response to an injury or pathogen attack or some other…

Q: how can you increase the rate of facilitated diffusion across the plasma membrane?

A: Rate of facilitated diffusion is defined as the speed at which molecules are moved across a membrane…

Q: Why is it important to know the isotonic point of human cells when administering an IV? Explain what…

A: Isotonic solutions are IV fluids that have a similar concentration of dissolved particles as blood.…