Textbook QuestionPhotosynthetic bacteria that also fix nitrogen are:a. Mycoplasmasb. Spirillac. Bacteroidsd. Cyanobacteria521views
Textbook QuestionFor each of the following statements that is true, write “true” in the blank. For each statement that is false, write the word(s) that should be substituted for the underlined word(s) to make the statement correct.__________ Pigments located in thylakoids in phototrophic bacteria trap light energy for metabolic processes.576views
Multiple ChoiceIn the context of prokaryotic photosynthesis, how did early oxygenic photosynthetic bacteria (e.g., cyanobacteria) most directly change Earth's atmosphere and biosphere?2views
Multiple ChoiceIn prokaryotic photosynthesis, how many photosystems do anoxygenic photosynthetic bacteria typically use?2views
Multiple ChoiceWhich of these answers illustrates a major difference between oxygenic and anoxygenic photosynthesis?523views5rank
Textbook QuestionUnlike purple and green phototrophic bacteria, cyanobacteriaa. Produce oxygen during photosynthesis.b. Do not require light.c. Use H₂S as an electron donor.d. Have a membrane-enclosed nucleus.e. All of the above571views