Which statement correctly describes a difference between photosynthesis and cellular respiration? a) photosynthesis produces carbon dioxide, while cellular respiration produces water b) photosynthesis produces water, while cellular respiration produces sugar. c) photosynthesis produces oxygen, while cellular respiration produces carbon dioxide

C) Photosynthesis produces oxygen, while cellular respiration produces carbon dioxide

Explanation:

Photosynthesis is a chemical reaction which occurs in the leaf cells of the plants. The plants produce food in the form of carbohydrates (glucose) by the process of photosynthesis. In this process the plant receives carbon dioxide, water and traps the light energy from the sun to produce oxygen and glucose as products. This way plants produced oxygen is utilized by other organisms to conduct cellular respiration. Cellular respiration is a metabolic pathway by which the organism obtains oxygen from the atmosphere which is required to break the molecules of glucose to produce ATP as a energy molecule and carbon dioxide as a waste product.

"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."