Methane because it helps the human activity
Answer:
Chemical bonds include covalent, polar covalent, and ionic bonds. Atoms with relatively similar electronegativities share electrons between them and are connected by covalent bonds. Atoms with large differences in electronegativity transfer electrons to form ions. The ions then are attracted to each other.
Two of the strongest forms of chemical bond are the ionic and the covalent bonds. Chemical bonds form between two atoms, each with its own electron environment.
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Answer: A is the correct answer.
because for the treatment of one type of diabetes insulin should be provided but isolation of insulin and production is so costly.
but as DNA recombination has developed we can use bacterial replication system to produce insulin. they replicate very fast so large amount of insulin will be produced and then it can isolated.
but we also know that insulin of bacteria needs some modification before it can be used in human.
if want more info ask here. hope it helps.
The correct option is ZYGOTE.
In humans, a zygote refers to a fertilized eukaryotic diploid cell that is produced as a result of fertilization process that occur between a male and female gametes. This cell contains all the genetic data that is required for the growth and development of a complete human being.The zygote is the first stage in the development process of a genetically unique organism that is genetically different from its parents.
Diffusion happens in living systems for example it explains the movement of carbon dioxide in leaves. Plants absorbs water from the soil by osmosis through their roots hair cell. Animals molecules enter the body cells and waste products are removed.
