According to the octet rule, The element would want to take another electron to have eight electrons on the outer shell.
The Lac repressor prevents the Lac genes in the DNA of E.coli from being expressed most of the time. The Lac repressor is actually a kind of DNA binding protein. It is a fact that in case there is an absence of lactose, the Lac repressor binds to the proteins. I hope that this answer comes to your help.
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The best answer would be C.
Most cells have a semipermeable membrane and it is through this semi permeable membrane that water molecules and other particle move in or out of the cell.
Osmosis is defined as movement of solvent or water from the area of its higher concentration to the area where it is less concentrated, through a semi - permeable membrane.
Osmosis involves the movement of solvent molecules only.
A solvent is a substance, usually a liquid which dissolves a solute. Water is an excellent solvent.
Answer:
As above discussed an ecosystem is the diversity of many communities of organisms where they interact with living (biotic) as well as nonliving (abiotic) thing whereas community contains the variety of populations of different species linking with each other in a region.
Explanation: