ch 2.docx - Question 1 1 out of 1 points Correct is the...

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Question 1 1 out of 1 points Correct ____________ is the molecule responsible for storing all of the genetic information about an organism. Selected Answer: DNA Question 2 1 out of 1 points Correct A cation is a(n) Selected Answer: positively charged atom Question 3 1 out of 1 points Correct A buffer Selected Answer: maintains a relatively constant pH Question 4 1 out of 1 points Correct What type of chemical reaction(s) involves the loss and gain of electrons? Selected Answer: oxidation-reduction Question 5 0 out of 1 points Incorrect The most useful form of energy for biological organisms is _____________ energy. Selected Answer: kinetic Question 6 1 out of 1 points Correct ____________ is an extremely important molecule because it provides the energy needed to fuel all of the chemical reactions occurring in cells. Selected Answer: ATP Question 7 Describe hydrogen bonding and why it is so important for biological organisms. Selected Answer: A hydrogen bond is a weak attraction between negative charged oxygen and a positive charged hydrogen. They are important for unique properties of water.
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