Nitrogen fixing bacteria called rhizobia
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<span>Water has a surface skin. Some insects are able to generate tiny bubbles under their bodies which makes them buoyant enough to not break thru the water's skin. This skin is also known as surface tension. </span><span>Some bugs and small objects (pins or paperclips, etc) can rest on the surface of the water due to surface tension. Water molecules are bipolar and attract each other forming a skin. The bug or paperclip make tiny depressions in the water skin which provides buoyancy. A detergent will ruin the water tension (because it is a wetting agent) and the bug or paperclip will sink.</span><span>
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Mitosis is a kind of cell division that produces 2 daughter cells, which are genetically identical to both the other daughter cell, and also the parent cell
Before the parent cell divides, it duplicates all the DNA. With that being said, it means both daughter cells has the completely same chromosomes numbers and the types of alleles.
Different to another cell division, meiosis. Meiosis has daughter cells which has half of the parents chromosomes.
Therefore, the daughter cells will still have 60 chromosomes. The cells are said to be diploid.