Biology, 07.07.2019 14:30 loveyeti106838

1. any molecule that contains carbon to hydrogen bonding is known as a a) water b) inorganic molecule c) organic molecule 2. how many valance electrons are generally needed to fill the outer shell of most atoms? a) 4 b) 6 c) 8 3. the macromolecules in biochemistry are proteins, carbohydrates, lipids and nucleic acids. what main elements do all of them have in common? a) carbon and sulfur b) carbon and hydrogen c) oxygen and nitrogen d) oxygen and phosphorus

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