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☆☆☆☆☆The organic macromolecule used for the long term energy storage in animals is triglyceride.
nucleotide
Fossils, although technically they are not preserved in the earths crust; the minerals in the bones and pore spaces have been replaced by other harder minerals which take much longer to weather.
There are a number of different fossilization processes. See this link :
How are Fossils Formed?
Many enzymes consist of a protein and a non-protein (called the cofactor). The proteins in enzymes are usually globular. They have tertiary structure and this type of globular protein includes immunoglobins, as well. The structures are held in place by hydrogen bonds, disulfide bridges and ionic bonds.
true
Cropping systems encourage soil erosion and degradation of the soil.
Erosion
They had a large variety of farm products
