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How can you tell a plant cell from an animal cell?

Plant cells have a cell wall, chloroplasts for photosynthesis, and a large central vacuole, which are not present in animal cells. Animal cells have centrioles and lysosomes, which are typically not found in plant cells.


What happens when you put frozen ethanol into liquid ethanol?

When you put frozen ethanol into liquid ethanol, the frozen ethanol will begin to melt and mix with the liquid ethanol. Both states of ethanol will reach an equilibrium temperature, and the frozen ethanol will ultimately dissolve into the liquid ethanol to form a homogeneous solution.


Is distilled ethanol similar to pure ethanol?

Yes, distilled ethanol is similar to pure ethanol. Distilled ethanol is produced using distillation to purify the ethanol, resulting in a high level of purity. Pure ethanol refers to ethanol that is free from impurities, and distilled ethanol typically meets this criteria.


How does ethanol remove chlorophyll?

Ethanol removes chlorophyll by breaking down the cell walls of plant material where chlorophyll is stored. This process helps to release the chlorophyll into the ethanol solution, effectively removing it from the plant material. Ethanol is a polar solvent that can dissolve chlorophyll molecules.


Is ethanol lipid soluble?

Ethanol is both water-soluble and lipid-soluble. It can cross cell membranes, including the blood-brain barrier, due to its small size and dual solubility properties. This allows ethanol to have widespread effects throughout the body.

Related Questions

What correctly describes the normal tonicity conditions for typical plant and animal cells?

Typical plant cells have a tonicity that is hypotonic to their environment, meaning they have a higher solute concentration than the surrounding environment. In contrast, typical animal cells have a tonicity that is isotonic to their environment, meaning their internal and external solute concentrations are balanced.


What is the concentration of material in a cell that affects the fluid volume and pressure within the cell?

Tonicity


What are the principles of tonicity?

The principles of tonicity include hypertonic solutions causing cells to shrink due to water leaving the cell, isotonic solutions maintaining equilibrium between water leaving and entering the cell, and hypotonic solutions causing cells to swell due to water entering the cell. Tonicity is related to the concentration of solutes compared to the concentration of solutes inside the cell.


What is a correct example of tonicity?

A correct example of tonicity is a red blood cell in a hypertonic solution, where the solution has a higher solute concentration than inside the cell causing it to shrink and undergo crenation.


What role does the cell wall play in tonicity?

gives shape to plant cells


What is the difference between osmolarity and tonicity?

Tonicity refers to the relative concentration of solute particles inside a cell, with respect to the concentration outside the cell. Osmolarity refers to the movement of water from the inside to the outside of a cell, and vice versa


How does tonicity relate to osmosis?

Tonicity refers to the measure of the effective osmotic pressure gradient between two solutions. The higher the difference in the tonicity between the two solutions, the more osmosis transpires.


3 types of tonicity on a cell?

The three type are hypertonic, isotonic, and hypotonic. Hypertonic is when the tonicity of the cell is lower than that of the surrounding liquid, isotonic is when the tonicity of the cell is equal to that of the surrounding liquid, and hypotonic is when the tonicity of the cell is greater than that of the surrounding liquid.


What is the tonicity of a parasite?

Parasites do not have tonicity themselves, as tonicity refers to the osmotic pressure of a solution. However, parasites can be affected by the tonicity of their external environment. Parasites may have adaptations to survive in different tonicity environments to maintain their osmotic balance.


What is the tonicity of normal saline compared to your blood?

What is the tonicity of you blood


What are the real world applications of tonicity?

Tonicity is a measure of the effective osmotic pressure gradient; the water potential of two solutions separated by a semipermeable cell membrane. In other words, tonicity is the relative concentration of solutes dissolved in solution which determine the direction and extent of diffusion. It is commonly used when describing the response of cells immersed in an external solution.


Why do you use 70 percent alcohol and not 90 percent while microbial culture?

Ethanol creates pores in the cell membrane of the microbial cell by solubilizing the lipoproteins of the membrane. The activity of ethanol determines its concentration. If we 90 percent ethanol, the amount of ethanol molecules available to act upon the cell is more and it attacks the cell membrane from all sides. The dissolved lipoprotein forms a kind of layer around the cell, due to which the alcohol is unable to act further and cause damage to the cell. However, if we use 70 percent ethanol, the amount of ethanol molecules are few and it is not able to attack the cell from all sides. Thus, pores are created intermittently in the plasma membrane, the ethanol penetrates the cell and damages it completely. So, 70 percent ethanol is preferable to 90 percent when using microbial cultures.