Tag: animal cells vs plant cells

Plastids are the storage molecules found in plants cells. These are three type of plastids viz. chloroplast(storing photosynthetic pigments), leucoplast(storing food materials). Chromoplast(storing pigment molecules other then photosynthetic pigment).

The plant and animal cells are eukaryotic and contain well developed cellular organelles. The cell membrane, cytoplasm, chromosomes, and mitochondria are the structures which are present in both the plant and the animal cells. The cell wall and chloroplast are present only in the plant cell. 

Plant cells have cell wall. The cell wall is a non-living layer secreted by protoplasm of the cell that forms a protective covering around the living plasma membrane. It provides rigidity to the plant. Animals lack cell wall hence they show locomotion.

The cell wall are present in the cells of plants, fungal and other organisms. The animal cells lack the cell wall. The mosquitoes have cells with the cell membrane and there is no cell wall. 

A difference between plant cells and animal cells is that most animal cells are round whereas most plant cells are rectangular. Plant cells have a rigid cell wall that surrounds the cell membrane. Animal cells do not have a cell wall.

• The chloroplast is a plastid which contains chlorophyll (green pigment) within the thylakoid membranes of the organelle.
• This organelle is present in the green parts of plants where photosynthesis takes place.
• The chlorophyll pigment captures the sunlight and converts it into chemical energy and thus, helps in the process of photosynthesis.
• This organelle is absent in an animal cell.
• So, the correct answer is 'Chloroplasts'.

Plasmodesmata are the channels through the cell wall. They are found only in plant cells. They contain cytosol or cytoplasm which allows a to and fro movement of nutrients and other materials between cells. They help to organize cells in different tissues.

At the later stages of decomposition of cowdung, mesophilic micro-organisms decompose the dung, generating heat from exothermic( process which produces heat) processes; such heat generation is associated with the well known phenomenon of the elevated temperature of composting.

• Plant cells have a cell wall, plastids, and a large central vacuole, which are not found in animal cells. The cell wall is a rigid covering that protects the cell, provides structural support and gives shape to the cell. 
• The chloroplasts, found in plant cells, contain a green pigment called as chlorophyll, which captures the light energy that drives the reactions of plant photosynthesis.