Chapter 2 Review: Question Preview (ID: 7472)

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What are the 6 "elements of life"?
a) carbon,hydrogen, nitrogen, oxygen, phosphorus and sulfur b) carbon, helium, nitrogen, oxygen, phosphorus and sulfur c) carbon, hydrogen, calcium, oxygen, phosphorus and sulfur d) carbon, hydrogen, nitrogen, oxygen, phosphorus and sodium
What element is found in all organic compounds?
a) calcium b) carbon c) phosphorus d) nitrogen
Which 2 macromolecules are made of C,H, and O?
a) lipids and proteins b) carbohydrates and proteins c) nucleic acids and carbohydrates d) lipids and carbohydrates
What part of an atom, enables atoms to bond with one another?
a) protons and electrons b) neutrons and electrons c) electrons d) protons
What is the ratio of hydrogen to oxygen in carbohydrates?
a) 2:1 b) 4:1 c) 5:3 d) 7:2
What type of bond can be thought of as two people sharing an umbrella?
a) ionic b) peptide bonds c) covalent bonds d) double carbon bonds
Which of the following is a monosaccharide?
a) glucose b) sucrose c) starch d) maltose
What monomers make up proteins?
a) sugars b) disaccharides c) amino acids d) nucleotides
What 2 elements make up a molecule of water?
a) carbon and oxygen b) hydrogen and oxygen c) oxygen and nitrogen d) hydrogen and carbon
What macromolecule is used for quick energy?
a) proteins b) lipids c) carbohydrates d) nucleic acids
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