13. The diagram below represents a cell found in some complex organisms. The enlarged section represents an organelle, labeled X, found in this cell. Part A: Identify organelle X. State the process that this organelle performs. (1 point)

Part B: Identify two materials that are needed for this process to occur, and then identify one molecule produced by this organelle and explain why it is important to the organism. (3 points)

Approximately what wavelength of light is best absorbed by chlorophyll a

Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls

What are positive impacts of algae? how is it used?