Question

1. define plasmolysis
2. give 2 functions of cell wall
3. Draw a well lable diagram of nucleus
4. give 3 functions of nucleus
5. give 8 point of difference between prokaryotic and eukaryotic

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its urgant​

Answer 1

Plasmolysis is the process in which cells lose water in a hypertonic solution. The reverse process, deplasmolysis or cytolysis, can occur if the cell is in a hypotonic solution resulting in a lower external osmotic pressure and a net flow of water into the cell.

Two function of cell wall

•Gives Mechanical Strength:

•. Maintains Cell Shape:

Functions of Nucleus

•It controls the heredity characteristics of an organism.

•It main cellular metabolism through controlling synthesis of particular enzymes.

•It is responsible for protein synthesis, cell division, growth and differentiation

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Answer 2

$\mathfrak \red{Plasmolysis}$

Plasmolysis is the process in which cells lose water in a hypertonic solution.

The reverse process, deplasmolysis or cytolysis, can occur if the cell is in a hypotonic solution resulting in a lower external osmotic pressure and a net flow of water into the cell.

$\mathfrak \red{Function \: of \: cell \: wall}$

• The main function of the cell wall is to provide structural strength and Support .

• It provide a Semi permeable surface for molecules to pass in and out of the cell.

$\mathfrak \red{Function \: of \: nucleus}$

• It controls the heredity characteristics of an organism.

• It main cellular metabolism through controlling synthesis of particular enzymes.

• It is responsible for protein synthesis, cell division, growth and differentiation.

$\mathfrak \red{Difference \: between \: prokaryote \: and \: eukaryote}$

$\mathfrak \yellow{Prokaryote}$

• Size is 0.1- 5.0 um

• Nucleus is absent

• Membrane bound nucleus absent.

• One chromosome is present, but not true chromosome plastids

• Unicellular

• Lysosomes and Peroxisomes absent

• Microtubules absent

• Endoplasmic reticulum absent

$\mathfrak \yellow{</u></strong><strong><u>E</u></strong><strong><u>ukaryotes}$

• Size is 5-100 um

• Nucleus is present

• Membrane bound Nucleus is present.

• More than one number of chromosomes is present.

• Multicellular

• Lysosomes and Peroxisomes present

• Microtubules present

• Endoplasmic reticulum present

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