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Alexander Fleming’s research on penicillin provides an example of: A) planned methodical research B) the power of large research grants C) an accidental discovery D) hypothesis testing E) the scientific method The _________is primarily responsible for using the energy of sunlight to synthesize carbohydrate from carbon dioxide and water. A) endoplasmic reticulum B) nucleus C) vacuole D) chloroplast E) mitochondrion Beriberi is a disease caused by: A) The bacterium Bacillus beriberis B) A deficiency of thiamin, vitamin B1 C) Too much ignose and not enough godnose D) A toxin in the endosperm of rice E) A deficiency of vitamin A Question Studies using heavy isotopes of oxygen showed that the oxygen evolved in photosynthesis comes  from the splitting of_________. A)carbon dioxide B)carbohydrate C)ATP D)NADPH E)water Barry Marshall drank a beaker full of Helicobacter pylori because he wanted
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This document was uploaded on 11/09/2010.

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