chapter 2 (10th Edition by Jeff Hardin)
1) What branch of chemistry deals specifically with living systems? - ANSC) biochemistry
D) biological chemistry
E) both choices C and D
2) Ribose has five carbon atoms, of which three are asymmetric. What is the maximum number
of stereoisomers that may exist for ribose? - ANSD)8
3) Which of the following is not a fundamental property of carbon? - ANSE) Carbon atoms are
most likely to form ionic bonds with one another.
(carbon atoms form covalent bonds)
4) Which of the following is true of an asymmetric carbon atom? - ANSD) Asymmetric carbon
atoms create stereoisomers.
(asymmetric carbon atoms create stereoisomers)
5) Carbon can form ________ covalent bonds - ANSE) single, double, and triple
6) Which of the following is a unit of energy? - ANSA) calorie
B) joule
E) both choices A and B
7) Biologically, which of the following is the least important characteristic of water? - ANSA)
Water typically contains isotopes of hydrogen.
(it's not important that water contains isotopes of hydrogen)
8) While fishing, a biology student makes the following observations:
1) Water spiders appear to be able walk on the surface of the water.
2) Flat rocks may be made to skip across the water.
Which of the following properties of water can explain these observations? - ANSC) Water
molecules are cohesive.
D) Water molecules are often associated via hydrogen bonds.
E) both choices C and D