Folk singer Woody Guthrie died of Huntington's disease, an autosomal dominant disorder. Which statement below must be true? a. His daughters will die of Huntington's disease but not his sons. b. His sons will develop Huntington's disease but not his daughters. c. It is very likely that at least one of Woody Guthrie's parents also had the allele for Huntington's disease. d. All of his children will develop Huntington's disease. e. There is not enough information to answer the question.

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

a = executive branch; b = judicial branch