T/F the time it takes for a compound to flow through a metabolic pathway is called the pay-
off phase - ANSWER false
T/F proteins, carbohydrates, and fats all get broken down into acetyl-coa - ANSWER true
T/F a fat is a lipid molecule that is a solid at room temperature - ANSWER true
In DNA, guanine always pairs with ____
A. Thymine
B. Guanine
C. Uracil
D. Cytosine
E. Both A and B - ANSWER D. Cytosine
Water is considered a polar solvent due to attractive forces known as hydrogen bonds. A hy-
drogen bond is _____
A. A bond that is stronger than a covalent bond
B. An attractive force between molecules where partially positive hydrogen atoms are at-
tracted to partially negative atoms of F, O, or N
C. The polar O-H bond in water
D. An ionic bond between H and another atom
E. A covalent bond between H and O - ANSWER B. An attractive force between molecules
where partially positive hydrogen atoms are attracted to partially negative atoms of F, O, or
N
1
, What is a unique molecule. Which of the following contributes to water's unique place in the
chemical world?
A. The geometry of the molecule
B. The polarity of the O-H bonds
C. The ability of water molecules to hydrogen bond
D. The bond angle of water
E. All of the answers are correct - ANSWER E. All of the answers are correct
The H+ concentration of a solution is 7.9x10^-13M. What is the ph?
A. -6.70
B. 6.70
C. 11.17
D. -12.1
E. 12.1 - ANSWER E. 12.1
Which of the following is the enthalpy change of a reaction?
A. Delta G
B. Delta S
C. Delta H
D. Delta F
E. None of the above - ANSWER C. Delta H
A globular protein is an example of a protein _____
A. Motif
B. Conformation
C. Secondary structure
D. Quaternary structure
E. Amino acid - ANSWER B. Conformation
2
off phase - ANSWER false
T/F proteins, carbohydrates, and fats all get broken down into acetyl-coa - ANSWER true
T/F a fat is a lipid molecule that is a solid at room temperature - ANSWER true
In DNA, guanine always pairs with ____
A. Thymine
B. Guanine
C. Uracil
D. Cytosine
E. Both A and B - ANSWER D. Cytosine
Water is considered a polar solvent due to attractive forces known as hydrogen bonds. A hy-
drogen bond is _____
A. A bond that is stronger than a covalent bond
B. An attractive force between molecules where partially positive hydrogen atoms are at-
tracted to partially negative atoms of F, O, or N
C. The polar O-H bond in water
D. An ionic bond between H and another atom
E. A covalent bond between H and O - ANSWER B. An attractive force between molecules
where partially positive hydrogen atoms are attracted to partially negative atoms of F, O, or
N
1
, What is a unique molecule. Which of the following contributes to water's unique place in the
chemical world?
A. The geometry of the molecule
B. The polarity of the O-H bonds
C. The ability of water molecules to hydrogen bond
D. The bond angle of water
E. All of the answers are correct - ANSWER E. All of the answers are correct
The H+ concentration of a solution is 7.9x10^-13M. What is the ph?
A. -6.70
B. 6.70
C. 11.17
D. -12.1
E. 12.1 - ANSWER E. 12.1
Which of the following is the enthalpy change of a reaction?
A. Delta G
B. Delta S
C. Delta H
D. Delta F
E. None of the above - ANSWER C. Delta H
A globular protein is an example of a protein _____
A. Motif
B. Conformation
C. Secondary structure
D. Quaternary structure
E. Amino acid - ANSWER B. Conformation
2
