Table of Contents
What is the crenation of cells?
crenation The shrinkage of cells that occurs when the surrounding solution is hypertonic to the cellular cytoplasm. Water leaves the cells by osmosis, which causes the plasma membrane to wrinkle and the cellular contents to condense.
What do you mean by crenation?
Definition of crenation 1a : a crenate formation especially : one of the rounded projections on an edge (as of a coin) b : the quality or state of being crenate. 2 : shrinkage of red blood cells resulting in crenate margins.
What does crenation mean in chemistry?
scalloped or notched
The term comes from the Latin word crenatus which means ‘scalloped or notched’. In biology and zoology, the term refers to an organism displaying the shape (such as a leaf or shell), while in chemistry, crenation is used to describe what happens to a cell or other object when it is exposed to a hypertonic solution.
Is crenation hypertonic or hypotonic?
A red blood cell will swell and undergo hemolysis (burst) when placed in a hypotonic solution. When placed in a hypertonic solution, a red blood cell will lose water and undergo crenation (shrivel).
What is crenation and example?
Food pickling is another example of crenation occurring in every day life. Vegetables such as cucumbers are placed in acidic solutions to pickle, causing water to diffuse out and the characteristic shrinkage of the crenation process.
What is Plasmolysis give an example?
When a living plant cell loses water through osmosis, there is shrinkage or contraction of the contents of cell away from the cell wall. This is known as plasmolysis. Example – Shrinkage of vegetables in hypertonic conditions.
What is crenation lysis?
Crenation – cell shrinks by osmosis because H2O leaves cell. solution is HYPERtonic (hyper – means excess, hypo – means insuffient. Crenation (opposite of Lysis -cell swells/destroyed/hypotonic)
What is membrane biogenesis Class 9?
Answer: Membrane biogenesis is the process that involves cell membrane development with the aid of proteins and lipids. The production of these membranes is driven by the endoplasmic reticulum. The endomembrane network contains different membranes suspended in the cytoplasm and the plasma membrane.
Which is an example of crenation in biology?
In biology and zoology, the term refers to an organism displaying the shape (such as a leaf or shell), while in chemistry, crenation is used to describe what happens to a cell or other object when it is exposed to a hypertonic solution . Red blood cells are the particular type of cell most discussed with reference to crenation.
How does crenation occur in red blood cells?
Crenation and Red Blood Cells. When a red blood cell is placed in a hypertonic solution, such as a highly saline environment, there is a lower concentration of solute particles inside the cell than outside in the extracellular space. This causes water to flow from inside the cell into the extracellular space via osmosis.
Which is correct C or C in crenation?
C is correct. Echinocytes possess uniform spikes on the membrane and the crenation is usually reversible. A is another name for red blood cells and B has abnormal spikes on the membrane due to lipid membrane abnormalities and the crenation is irreversible.
Which is an example of an irreversible crenation?
Other diseases such as vitamin E deficiency, liver disease or malabsorption may also have the same effect. This type of crenation is irreversible. The morphology of acanthocytes is shown below: Food pickling is another example of crenation occurring in every day life.
https://www.youtube.com/watch?v=y6h_g17jvXU