Amonomer is the (building block, many molecules) of a biomolecule

Arafura file snakes are large, aquatic, non-venomous snakes found in the flood-plains of australian rivers. they feed only on fish found in the rivers. it has been observed that heavy rainfall in the wet season in one year leads to prolonged inundation of the floodplains lasting a year or longer. it has also been observed that these snakes remain in good physical condition after a flood. explain how the file snake population in a region is likely to be affected by the prolonged inundation of a flood-plain.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is