Answer: Bacteria will use the oxidised form of sulphur. Among all the forms of sulphur molecule such as sulphate which is the more oxidised form and also the other forms like thiosulphate,elemental sulphur, sulphite, hyposulphite can be used as an electron acceptor. As the coupling of these organic compounds occur, these sulfur bacterias obtain energy from the subsequent oxidation and then reduction of sulfur forms from sulphate to sulphide which is then released in the environment.
Melanoma is the type of cancer Mary
Lou had, Sunburns in adulthood assume to be the mostly associated with
melanoma. Melanoma, the most severe type of skin cancer, develops in the cells
(melanocytes) that produce melanin — the pigment that gives your skin its colour.
Melanoma can be also apear in your eyes and, rarely, in internal organs, such
as your intestines.
Answer:
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Answer:
A cell that results from the fusion of sperm and ovum is called a zygote. The process of fusion of sperm and ovum is called fertilization.
I believe the answers are A. C. D.