The processes of photosynthesis and respiration allow Earth’s organisms to recycle carbon dioxide and oxygen. Which statement best summarizes this relationship? A. The products of photosynthesis are the reactants of cellular respiration
B. The products of photosynthesis inhibit (stop) cellular respiration
C. The products of photosynthesis are the same products of cellular respiration
D. The reactants of photosynthesis are the reactants of respiration

The  central dogma  of molecular biology is centered upon the process of protein synthesis, in which the information from dna is transcribed and translated, resulting in multiple amino acids being joined to form a)lipidsb)proteinsc)carbohydratesd) nucleic acids

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.