There are 2 layers, one for each side, similar to a sandwich and the layers are the bread. There are two of them so they can hold together within.
The primary additional component that plant cells have is a cell divider outwardly. This is for the most part made of cellulose, and it gives an extreme covering outwardly of the phone film. It, subsequently, gives plant cells an unmistakable polygonal framework.
Differentiated cells are important for various body functions because they are capable of performing specialized functions.
Cell specialization is the process during development by which different cell types are developed to perform specific functions.
Multicellular organisms usually have differentiated cells to carry out specific functions.
The process of cell specialization occurs as a response to the activation and expression of differential genes in different tissues/cell types.
For example, differential gene expression can lead to the differential expression of an integral transmembrane protein in the cell membranes of a given cell type, thereby this cell type is able to transport certain substances and/or ions inside and outside the cell.
In the human body, a well-known example of cell differentiation is the red blood cells, which are specialized cells capable of transporting nutrients and oxygen around the body.
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According to the principle of segregation, gene pairs for a trait are split during the formation of gametes.
<u>Explanation</u>:
- This segregation was first observed by Gregor Mendel. He used pea plants for studying genetics.
- He crossed the pea plants and he discovered that traits in the offspring are not like the parental plants.
- He understands that alleles encoding the traits of each parental plant are separated during the formation of reproductive cells.
- By this only Mendel observed the principle of segregation. During meiosis only segregation of gene takes place and that produces reproductive cells called gametes.
There are only 4 trophic levels in the ecosystem:-
Producer
Primary consumer
Secondary consumer
Tertiary consumer
Corn will be a producer