Test Bank for Molecular Cell Biology, 9e Lodish, Berk, Kaiser,

for Molecular Cell Biology, 9e Lodish, Berk, Kaiser, Krieger, Bretscher, Ploegh, Martin, Yaffe, Amon (All Chapters Download link at the end of File)

Chapter 2

• Covalent bonds between which of the following pairs of atoms are nonpolar?
• C–C
• C–H
• O–H
• A and B

ANSWER: d

POINTS: 1

DIFFICULTY: easy

REFERENCES: Section: Covalent Bonds and Noncovalent Interactions Chapter 2

QUESTION TYPE: Multiple Choice

HAS VARIABLES: False

KEYWORDS: Bloom's: Remembering

DATE CREATED: 2/23/2021 3:17 PM

DATE MODIFIED: 2/23/2021 3:19 PM

CUSTOM ID: question_960453_60354fbe41f401

• Which of the following is a noncovalent interaction?
• hydrophobic effect
• ionic interactions
• van der Waals interactions
• all of the above

ANSWER: d

POINTS: 1

DIFFICULTY: easy

REFERENCES: Section: Covalent Bonds and Noncovalent Interactions Chapter 2

QUESTION TYPE: Multiple Choice

HAS VARIABLES: False

KEYWORDS: Bloom's: Remembering

DATE CREATED: 2/23/2021 3:17 PM

DATE MODIFIED: 2/23/2021 3:19 PM

CUSTOM ID: question_960454_60354fbe41f402

• Which of the following is the strongest interaction?
• hydrogen bond
• ionic bond 1 / 3

• phosphoanhydride bond
• van der Waals interaction

ANSWER: c

POINTS: 1

DIFFICULTY: easy

REFERENCES: Section: Covalent Bonds and Noncovalent Interactions Chapter 2

QUESTION TYPE: Multiple Choice

HAS VARIABLES: False

KEYWORDS: Bloom's: Understanding

DATE CREATED: 2/23/2021 3:17 PM

DATE MODIFIED: 2/23/2021 3:19 PM

CUSTOM ID: question_960455_60354fbe41f403

• Which of the following is the weakest interaction?
• hydrogen bond
• ionic bond
• phosphoanhydride bond
• van der Waals interaction

ANSWER: d

POINTS: 1

DIFFICULTY: easy

REFERENCES: Section: Covalent Bonds and Noncovalent Interactions Chapter 2

QUESTION TYPE: Multiple Choice

HAS VARIABLES: False

KEYWORDS: Bloom's: Understanding

DATE CREATED: 2/23/2021 3:17 PM

DATE MODIFIED: 2/23/2021 3:19 PM

CUSTOM ID: question_960456_60354fbe41f404

• When two atoms differing in electronegativity are joined in a covalent bond, then the:
• electrons are shared equally between the atoms.
• bond is nonpolar.
• resulting compound is devoid of any dipole moment.
• atom with the greater electronegativity attracts the bonded electrons more strongly.

ANSWER: d

POINTS: 1

DIFFICULTY: moderate

REFERENCES: Section: Covalent Bonds and Noncovalent Interactions Chapter 2

QUESTION TYPE: Multiple Choice

HAS VARIABLES: False 2 / 3

KEYWORDS: Bloom's: Understanding

DATE CREATED: 2/23/2021 3:17 PM

DATE MODIFIED: 2/23/2021 3:19 PM

CUSTOM ID: question_960457_60354fbe41f405

• Which of the following is a negatively charged amino acid?
• alanine
• aspartate
• glutamine
• histidine

ANSWER: b

POINTS: 1

DIFFICULTY: easy

REFERENCES: Section: Chemical Building Blocks of Cells Chapter 2

QUESTION TYPE: Multiple Choice

HAS VARIABLES: False

KEYWORDS: Bloom's: Remembering

DATE CREATED: 2/23/2021 3:17 PM

DATE MODIFIED: 2/23/2021 3:19 PM

CUSTOM ID: question_960458_60354fbe41f406

• Which of the following is/are a hydrophilic amino acid?
• alanine
• leucine
• tryptophan
• serine

ANSWER: d

POINTS: 1

DIFFICULTY: easy

REFERENCES: Section: Chemical Building Blocks of Cells Chapter 2

QUESTION TYPE: Multiple Choice

HAS VARIABLES: False

KEYWORDS: Bloom's: Remembering

DATE CREATED: 2/23/2021 3:17 PM

DATE MODIFIED: 2/23/2021 3:19 PM

CUSTOM ID: question_960459_60354fbe41f407

8. Adenosine is a:

• component of RN
• nucleoside.
• pyrimidine.
• / 3