Due to the surface of the water, light insects are able to walk on the surface of water.
Surface tension also accounts for those with wide feet (generally webbed feet). They have more area on the underside of their feet and if they move fast enough (depending on their weight - the heavier they weigh, the faster they must go to keep on the surface of the water), they are able to "walk on water".
I think you mean autotroph? An autotroph is an organism that makes it's own food, like plants and some single-celled organisms.
Answer: A) a burn
Explanation: A bulla is a large blister containing serous fluid. A bunion is a bony deformity of the joint at the base of the big toe. A Basal cell carcinoma is a form of skin cancer.
Refer to the attachment for periodic table
An operon is a stretch of DNA consisting of an operator, a promoter, and genes for a related set of proteins, usually making up an entire metabolic pathway.
operon is a functional unit of gene.
This cluster of gene transcribed together to give a messenger RNA which further give rises to protein.
operator in operon is the site where repressor binds.
promoter is where Mrna binds , where our genes are transcribed
structural genes, they code for the enzyme that are involved in this metabolic pathway.
Operons have an important role to play as they produce protein for the cell this serves them energy, the protein is produced only when energy is required.
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