Answer:
Glucose and oxygen are the reactants in the process of aerobic respiration.
Explanation:
There are two types of respiration i. e. aerobic respiration and anaerobic respiration. In aerobic respiration, food molecules are broken down in the presence of oxygen which produces carbondioxide, water and energy in the form of Adenine tri phosphate (ATP). Anaerobic respiration occurs in the absence of oxygen.
<span>Schleiden and Theodor Schwann (1810-1882)were the first to recognize that all plants and animals are composed of cells. [ In 1839, they defined their "cell theory" in which they also stated that nuclei and cell membranes are common to all cells and recognized the presence of unicellular (single-celled) and multicellular (many-celled) organisms. ( ]</span>
Viruses are not considered alive, because they lack certain aspects that would be considered a living organism.