Biology 115 Exam 1 (New 2026/ 2027
Update) Questions & Answers {Grade A}
100% Correct (Verified Solutions)- Rutgers
Identify which of the following types of interactions is a bond formed between two
atoms with electronegativity differences of (less than) < 2.
A. hydrogen bond
B. Van der Waals interaction
C. ionic bond
D. covalent bond - Correct answer D. covalent bond
Sequence polymerization. A peptide bond joins the carboxyl group of one amino acid to
the _______ of the next amino acid.
A. carboxyl group
B. R group
C. glycerol
D. amino group - Correct answer D. amino group
,Compare and contrast membrane transport. The below diagram represents a cell in
solution. Hypothesize which of the following will occur through diffusion if the cell
membrane is permeable to glucose and fructose, but not sucrose?
I. glucose will diffuse out of the cell
II. fructose will diffuse out of the cell
III. sucrose will maintain dynamic equilibrium
IV. fructose will diffuse into the cell
V. glucose will diffuse into the cell
A. III only
B. III, IV, and V
C. II and V
D. I and IV - Correct answer C. II and V
Correctly sequence the evolution of life on Earth in the order that the following
organisms first appear.
I. Anaerobic bacteria
,II. Endosymbiosis
III. Photosynthesis
IV. Protocells
V. Archaea
A. IV → I → III → V → II
B. I → IV → III → II → V
C. III → I → IV → V → II
D. IV → II → I →III→ V - Correct answer A. IV → I → III → V → II
Which of the following accurately describes endergonic reactions?
I. They have a net positive ΔG
II. They involve increasing potential energy
III. They have a net negative ΔG
A. II and III
B. I and II
C. I only
, D. III only - Correct answer B. I and II
Identify the CORRECT definition for a prediction.
A. A proposed explanation for an observation.
B. A statement of what always occurs.
C. A testable observation.
D. The expected outcome of an experiment. - Correct answer D. The expected outcome
of an experiment.
Compare and contrast dehydration synthesis and hydrolysis. Which of the following
accurately describe(s) dehydration synthesis reaction and hydrolysis?
I. dehydration reaction often involves hydrolases
II. dehydration reaction builds polymers
III. hydrolysis results in the formation of a water molecule
IV. hydrolysis builds polymers
A. III and IV
Update) Questions & Answers {Grade A}
100% Correct (Verified Solutions)- Rutgers
Identify which of the following types of interactions is a bond formed between two
atoms with electronegativity differences of (less than) < 2.
A. hydrogen bond
B. Van der Waals interaction
C. ionic bond
D. covalent bond - Correct answer D. covalent bond
Sequence polymerization. A peptide bond joins the carboxyl group of one amino acid to
the _______ of the next amino acid.
A. carboxyl group
B. R group
C. glycerol
D. amino group - Correct answer D. amino group
,Compare and contrast membrane transport. The below diagram represents a cell in
solution. Hypothesize which of the following will occur through diffusion if the cell
membrane is permeable to glucose and fructose, but not sucrose?
I. glucose will diffuse out of the cell
II. fructose will diffuse out of the cell
III. sucrose will maintain dynamic equilibrium
IV. fructose will diffuse into the cell
V. glucose will diffuse into the cell
A. III only
B. III, IV, and V
C. II and V
D. I and IV - Correct answer C. II and V
Correctly sequence the evolution of life on Earth in the order that the following
organisms first appear.
I. Anaerobic bacteria
,II. Endosymbiosis
III. Photosynthesis
IV. Protocells
V. Archaea
A. IV → I → III → V → II
B. I → IV → III → II → V
C. III → I → IV → V → II
D. IV → II → I →III→ V - Correct answer A. IV → I → III → V → II
Which of the following accurately describes endergonic reactions?
I. They have a net positive ΔG
II. They involve increasing potential energy
III. They have a net negative ΔG
A. II and III
B. I and II
C. I only
, D. III only - Correct answer B. I and II
Identify the CORRECT definition for a prediction.
A. A proposed explanation for an observation.
B. A statement of what always occurs.
C. A testable observation.
D. The expected outcome of an experiment. - Correct answer D. The expected outcome
of an experiment.
Compare and contrast dehydration synthesis and hydrolysis. Which of the following
accurately describe(s) dehydration synthesis reaction and hydrolysis?
I. dehydration reaction often involves hydrolases
II. dehydration reaction builds polymers
III. hydrolysis results in the formation of a water molecule
IV. hydrolysis builds polymers
A. III and IV
