What biological macromolecule is made up of monomers like the one shown below?

One of the largest seafood exporters to the united states is a. china b. brazil c. mexico d. saudi arabia

Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. how can the student demonstate the theory of endosymbiosis using the models

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?