Acid-fast rods present in sputum typically indicates a mycobacterial infection. Mycobacteria is a type of germ, and it can manifest in different diseases, the most common is Tuberculosis. Acid-fast is namely due to the bacteria's stain retention to the staining procedure after an acid wash.
I believe the answer is D. A reactant that is catalyze a by an enzyme.
Answer:
In oxygenic photosynthesis, the first electron donor is water, creating oxygen as a waste product. In anoxygenic photosynthesis various electron donors are used. Cytochrome b6f and ATP synthase work together to create ATP. This process is called photophosphorylation, which occurs in two different ways.
Explanation: