CHEM 210 Final MP
Study online at https://quizlet.com/_feokzu
1. True or False: Hydrogen is called the superglue of the chemical world.: False
2. True or False: Small elements, such as nitrogen, are common in biomole-
cules.: True
3. True or False: Large elements, such as strontium, are common in biomole-
cules.: False
4. Which of the following is the enthalpy change of a reaction?
A) ΔG
B) ΔS
C) ΔH
D) ΔF
E) None of the above: C) ΔH
5. True or False: The time it takes for a compound to flow through a metabolic
pathway is called the flux.: True
6. A(n) _________ is a compound that binds to an enzyme in such a way that the
enzyme slows down or stop the enzyme reactions.
Ligand
Substrate
Inhibitor
Coenzyme
Deactivator: Inhibitor
7. True or False: The time it takes for a compound to flow through a metabolic
pathway is called the payoff phase.: False
8. True or False: Proteins, carbohydrates, and fats all get broken down into
NADH and FADH2 in energy production.: True
9. True or False: Proteins, carbohydrates, and fats all get broken down into
acetyl-CoA.: True
10. True or False: A fat is a lipid molecule that is a liquid at room temperature.: -
False
Oil
11. Water is considered a polar solvent due to attractive forces known as hydro-
gen bonds. A hydrogen bond is __________.
- A bond that is stronger than a covalent bond
, CHEM 210 Final MP
Study online at https://quizlet.com/_feokzu
- An attractive force between molecules where partially positive hydrogen
atoms are attracted to partially negative atoms of F, O, or N.
- The polar O-H bond in water
- An ionic bond between H and another atom
- A covalent bond between H and O: - An attractive force between molecules where partially positive
hydrogen atoms are attracted to partially negative atoms of F, O, or N.
12. The following are all examples of a carbohydrate's function in cells except
_______.
Structural role in RNA
Structural role in DNA
Intermediate in metabolism
Basis for building proteins
Energy source for cells: Basis for building proteins
13. Which attribute contributes to water's unusual properties?
- The geometry of the molecule
- The polarity of the O-H bonds
- The ability of water molecules to hydrogen bond
- The bond angle of water
- All of the answers are correct: - All of the answers are correct
14. The H+ concentration of a solution is 7.9 x 10-13 M. What is the pH?
-6.70
6.70
11.17
-12.1
12.1: 12.1
[ [H+]=7.9 x 10-13; pH=-log[7.9 x 10-13]= 12.1]
15. Which of the following is the free-energy change of a reaction?
A) ΔG
B) ΔS
C) ΔH
D) ΔF: A) ΔG
gibbs free energy
Study online at https://quizlet.com/_feokzu
1. True or False: Hydrogen is called the superglue of the chemical world.: False
2. True or False: Small elements, such as nitrogen, are common in biomole-
cules.: True
3. True or False: Large elements, such as strontium, are common in biomole-
cules.: False
4. Which of the following is the enthalpy change of a reaction?
A) ΔG
B) ΔS
C) ΔH
D) ΔF
E) None of the above: C) ΔH
5. True or False: The time it takes for a compound to flow through a metabolic
pathway is called the flux.: True
6. A(n) _________ is a compound that binds to an enzyme in such a way that the
enzyme slows down or stop the enzyme reactions.
Ligand
Substrate
Inhibitor
Coenzyme
Deactivator: Inhibitor
7. True or False: The time it takes for a compound to flow through a metabolic
pathway is called the payoff phase.: False
8. True or False: Proteins, carbohydrates, and fats all get broken down into
NADH and FADH2 in energy production.: True
9. True or False: Proteins, carbohydrates, and fats all get broken down into
acetyl-CoA.: True
10. True or False: A fat is a lipid molecule that is a liquid at room temperature.: -
False
Oil
11. Water is considered a polar solvent due to attractive forces known as hydro-
gen bonds. A hydrogen bond is __________.
- A bond that is stronger than a covalent bond
, CHEM 210 Final MP
Study online at https://quizlet.com/_feokzu
- An attractive force between molecules where partially positive hydrogen
atoms are attracted to partially negative atoms of F, O, or N.
- The polar O-H bond in water
- An ionic bond between H and another atom
- A covalent bond between H and O: - An attractive force between molecules where partially positive
hydrogen atoms are attracted to partially negative atoms of F, O, or N.
12. The following are all examples of a carbohydrate's function in cells except
_______.
Structural role in RNA
Structural role in DNA
Intermediate in metabolism
Basis for building proteins
Energy source for cells: Basis for building proteins
13. Which attribute contributes to water's unusual properties?
- The geometry of the molecule
- The polarity of the O-H bonds
- The ability of water molecules to hydrogen bond
- The bond angle of water
- All of the answers are correct: - All of the answers are correct
14. The H+ concentration of a solution is 7.9 x 10-13 M. What is the pH?
-6.70
6.70
11.17
-12.1
12.1: 12.1
[ [H+]=7.9 x 10-13; pH=-log[7.9 x 10-13]= 12.1]
15. Which of the following is the free-energy change of a reaction?
A) ΔG
B) ΔS
C) ΔH
D) ΔF: A) ΔG
gibbs free energy