Essays Tagged: "Osmotic pressure"
"Experiment to investigate the effect of osmosis in potatoes" A GCSE experiment looking at the effects of the concentration of sucrose solution on osmosis in potato tubers.
. This wall pressure is called turgor pressure and the internal outward force on the wall is called osmotic pressure.At the other extreme, a cell placed in a solution that is hypertonic to its content ... hey are said to be plasmolysed.When plant cells are placed in a solution which has exactly the same osmotic strength as the cells they are in a state between turgidity and flaccidity. We call this inc ...
Subjects: Science Essays > Biology
Practical assesment about biology: To determine the water potential of potato tuber cells
stantly moving in a random fashion. Some of them collides with cell membrane, cell wall, creating a pressure on it known as water potential. The higher their kinetic energy the more they move and hits ... whereas in animal cell if water enters the cell by osmosis, the cell burst as volume increases and pressure builds up against cell membrane, which is unable to cope with the pressure.Plant cell wall ...
Subjects: Science Essays > Biology
Osmosis investigation
ual and this is called Solute potential. When there is no movement osmosis has not occurred and the osmotic potential of the potato has been reached.6 factors which can affect the rate of osmosis are: ...
Subjects: Science Essays > Biology
Water Potential of a Potato.
Water Potential.The potential for water to move across a selectively permeable membrane, where the osmotic potential of distilled water is 0 (kPa) and any water movement is measured with a negative v ...
Subjects: Science Essays > Biology
Osmosis Coursework
that a solute lowers the water potential of a solution is known as solute potential.In plant cells pressure potential plays an importantIn plant cells pressure potential is an important factor. Unlik ... toplast (the living part of the cell in the cell wall) starts to push against the cell wall and the pressure starts to mount. This pressure causes an increase of the water potential of the cell until ...
Subjects: Science Essays > Biology
Testable Question Is it possible to observe diffusion across a
as well as a plasma membrane. The cell wall is a rigid structure that is used by the cell to create osmotic pressure within the cell. With the loss of this osmotic pressure the supportive structure of ... plant is lost and the plant becomes limp and shriveled. By adding particles such as Na and Cl, the osmotic pressure within the cell decreases. The result of this decrease in osmotic pressure is the s ...
Subjects: Science Essays > Chemistry
Animal physiology study notes
it because it save energySponge and annelide never left the seawater so this is why their body is isosmotic to seawater(evolutionary adoptation)Hagfish is the only vertebrate that is isosmotic to seaw ... excess ionsMammals is one of few groups that able to concentrate their urineShark is slightly hyperosmotic to seawater even though they have lower concentrations of inorganic ions than the sea water ...
Subjects: Science Essays > Biology