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qwelly [4]
3 years ago
5

4. How does the cell wall compared to the organelles?

Biology
2 answers:
oksian1 [2.3K]3 years ago
6 0

Answer:

4.Cell wall protects the cell whiles organelles are found in the cell itself which is having the cell wall

n200080 [17]3 years ago
3 0
The cell wall most closely works with the plasmodesmata in apoplastic transport, which is transport through the layer outside the plasma membrane (apoplast), to move gases such as carbon dioxide, or plant hormones and pheromones
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One of your lab partners has followed the recommended procedure of running Gram-positive and Gram-negative control organisms on
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Reduced in holding time of decolrization step and also used less Alcohol because decolrization step is important in Gram's staining.The decolorization step must be performed carefully. Otherwise over-decolorization may occur. This step is critical and must be timed correctly otherwise the CV stain will be removed from the Gram-positive cells. If the decolorizing agent is applied on the cell for too long time, the Gram-positive organisms to appear Gram-negative..

Explanation:

Gram' staining is a technique used in microbiology labs to differentiate between Gram's positive and negative

<u>Gram-positive bacteria :</u>Stain dark purple due to retaining the primary dye called CV in the cell wall.

<u>:Gram-negative bacteria </u>Stain red or pink due to retaining the counter staining dye called Safranin or neutral red.

There are four basic step in Gram" staining

1) Application of the Primary Stain to a Heat-Fixed Smear of Bacterial Culture

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3)<u>Decolorization with 95% Ethyl Alcohol:</u>Alcohol or acetone dissolves the lipid outer membrane of Gram-negative bacteria, thus leaving the peptidoglycan layer exposed and increases the porosity of the cell wall. The CV-I complex is then washed away from the thin peptidoglycan layer, leaving Gram-negative bacteria colorless.

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