Clostridium, Bacteroides, and the methane-producing archaea (methanogens), are called obligate anaerobes because their energy-generating metabolic processes are not coupled with the consumption of oxygen.
Answer:
Cellular differentiation.
Explanation:
Cellular differentiation is the process in which a cell changes from one call type to another. Usually, the cell changes to a more specialized type. Differentiation of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.
Explanation:
c is an acid I think but it may not be right
Answer:
I believe it's both C and D
Sugar in RNA is called Ribose similar to the sugar in DNA which is Deoxyribose
