Cells produce a variety of carbohydrates, including starch, glycogen and cellulose. the monomers of these large compounds are monosaccharides, such as the glucose molecule seen here. cells assemble carbohydrates through dehydration synthesis, which means a(n) molecule is removed when the monomers are bonded together. a) water b) sugar c) oxygen d) carbon dioxide

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

What do nitrifying bacteria convert