Answer:
<u>Fatty-acids:</u>
Fatty acid is a form of lipid. While fatty acid is a long aliphatic stranded molecules in which the carboxylic molecules are chained with it, in such a way that the molecules are either posses single bonds between them or they have a double bond system between the atoms.
- <u>Saturated Fatty acids:</u> The saturated fatty acids have a single bond mechanism between the atoms in the aliphatic chain, as it is an un-branched, linear chains of CH₂ groups linked with one another.(Alkanes) i.e "-".
- <u>Unsaturated Fatty acids:</u>The unsaturated fatty acids posses the double bonding(Alkenes) between them.i.e "=".
<u>b) Lipid Molecule:</u>
The lipid molecules are complex structures which are insoluble in water and are moreover hydrophobic in nature. They consists of fatty acids, waxes and steroids in general.
<u>Amphipathic lipids:</u> A lipid molecule which consists of two main parts, as there is a water insoluble portion of the molecule the hydrophobic tail and the hydrophilic (head) part of the molecules which is water soluble.
<u>Structure and function of the cell membrane:</u>
- The cell membrane posses a form of lipid called as phospholipids, which acts as the main constituent of the cell membrane.
- The hydropbic part of the molecule is kept covered inside while on the outside the hydrophillic portion of the molecule exists, and due to the interaction between them the exchange of molecules occurs.
<em>Along, with that the phospholipid along with the proteins molecules helps out to build and cover the cell membrane of the molecules.</em>
According to the research, the correct option is differentiation. The expression of different subsets of genes to manufacture proteins drives the specialization of distinctive cell types and is referred to as differentiation.
<h3>What is
differentiation?</h3>
It is the process by which a cell becomes another more specialized cell type that will involve morphological variations in the composition of its membrane and are produced due to a reprogramming of its gene expression.
Evolutionarily it has remained a stable process, occurring as the morphological and physiological transformation of meristematic cells into adult tissues or specialization.
Therefore, we can conclude that according to the research, the correct option is differentiation. The expression of different subsets of genes to manufacture proteins drives the specialization of distinctive cell types and is referred to as differentiation.
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The u-shaped valley produced by the erosion of a valley glacier is called glacial troughs. they are formed by glaciation.<span> They have a characteristic U shape, with steep, straight sides and a flat bottom. Glaciated valleys are formed when a glacier travels across and down a slope, carving the valley by the action of scouring.</span>