MCB 450 EXAM 1 UIUC UPDATED QUESTIONS
AND CORRECT ANSWERS
Question:
1. cell
Answer:
the basic unit of life
Question:
2. Elements of life
Answer:
Hydrogen, Oxygen, Carbon, Phosphorous, Nitrogen, and sulfur
Question:
3. single bonds
Answer:
bonds that can rotate
Question:
4. double bonds
Answer:
bonds that cannot rotate
Question:
5. single bond length
Answer:
1.54 A
Question:
6. double bond length
Answer:
1.34 A
Question:
7. stereoisomers
Answer:
molecules with the same chemical bonds but different configuration
Question:
8. geometric isomers
Answer:
cis and trans isomers
Question:
9. chiral molecules
, Answer:
molecules that cannot be superimposed
Question:
10. achiral molecule
Answer:
molecules that can be superimposed
Question:
11. enantiomers
Answer:
molecules that are non-superimposable (D and L amino acids/ carbohydrates)
Question:
12. Living amino acids
Answer:
L-amino acids
Question:
13. conformation
Answer:
bond rotation of a molecule
Question:
14. phenyl
Answer:
Question:
15. methyl
Answer:
AND CORRECT ANSWERS
Question:
1. cell
Answer:
the basic unit of life
Question:
2. Elements of life
Answer:
Hydrogen, Oxygen, Carbon, Phosphorous, Nitrogen, and sulfur
Question:
3. single bonds
Answer:
bonds that can rotate
Question:
4. double bonds
Answer:
bonds that cannot rotate
Question:
5. single bond length
Answer:
1.54 A
Question:
6. double bond length
Answer:
1.34 A
Question:
7. stereoisomers
Answer:
molecules with the same chemical bonds but different configuration
Question:
8. geometric isomers
Answer:
cis and trans isomers
Question:
9. chiral molecules
, Answer:
molecules that cannot be superimposed
Question:
10. achiral molecule
Answer:
molecules that can be superimposed
Question:
11. enantiomers
Answer:
molecules that are non-superimposable (D and L amino acids/ carbohydrates)
Question:
12. Living amino acids
Answer:
L-amino acids
Question:
13. conformation
Answer:
bond rotation of a molecule
Question:
14. phenyl
Answer:
Question:
15. methyl
Answer: