HESI A2 Biology Entrance Exam (Latest
i,- i,- i,- i,- i,- i,-
2025/2026 Update) Questions with i,- i,- i,- i,-
Verified Answers| 100% Correct| Grade A.
i,- i,- i,- i,- i,-
The method by which mRNA is created is begun by which of the
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
following processes? i,- i,-
A)Replication.
B)Translation.
C)Splitting.
D)Transcription. i,-i,- i,- D)Transcription.
Which scientists are responsible for describing the structure of
i,- i,- i,- i,- i,- i,- i,- i,- i,-
DNA? i,-
A)Watson and Crick. i,- i,-
B)Watson and Holmes. i,- i,-
C)Holmes and Croiger. i,- i,-
D)Brown and Curie.i,- i,- i,-i,- i,- A)Watson and Crick. i,- i,-
,All genes can be described using the Punnett Square method.
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
True or False?i,- i,- i,-
A)True
B)False i,-i,- i,- B)False
The term pleiotropy is best defined as:
i,- i,- i,- i,- i,- i,- i,-
A)A condition in which multiple genes are missing.
i,- i,- i,- i,- i,- i,- i,-
B)A situation in which one gene remains unexpressed.
i,- i,- i,- i,- i,- i,- i,-
C)One gene influencing multiple, seemingly unrelated phenotypic
i,- i,- i,- i,- i,- i,- i,-
traits.
D)Two genes affected by a single allele.
i,- C)One gene i,- i,- i,- i,- i,- i,-i,- i,- i,- i,-
influencing multiple, seemingly unrelated phenotypic traits.
i,- i,- i,- i,- i,-
Which molecules are responsible for the base pairing action in
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
DNA? i,-
A)Phosphate groups. i,-
B)Sugar molecules. i,-
C)Nitrogenous bases. i,-
D)Codons. i,-i,- i,- C)Nitrogenous bases. i,-
, Glycolysis is the conversion of _______ to ______ in the process of
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
cellular respiration. i,- i,-
A)Glucose, pyruvate. i,-
B)Pyruvate, glucose. i,-
C)NADH, pyruvate. i,-
D)NADH, ATP. i,- i,-i,- i,- A)Glucose, pyruvate. i,-
The oxidation of the NADH molecules to produce oxygen and
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
water in cellular respiration takes place in a series of steps
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
defined as: i,- i,-
A)Cellular inspiration. i,-
B)Krebs cycle. i,-
C)Electron transport chain. i,- i,-
D)Cellular conversion. i,- i,-i,- i,- C)Electron transport chain.
i,- i,-
For every glucose molecule utilized during cellular respiration,
i,- i,- i,- i,- i,- i,- i,- i,-
approximately how many ATP molecules can be produced? i,- i,- i,- i,- i,- i,- i,- i,-
A)14 to 18.i,- i,-
i,- i,- i,- i,- i,- i,-
2025/2026 Update) Questions with i,- i,- i,- i,-
Verified Answers| 100% Correct| Grade A.
i,- i,- i,- i,- i,-
The method by which mRNA is created is begun by which of the
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
following processes? i,- i,-
A)Replication.
B)Translation.
C)Splitting.
D)Transcription. i,-i,- i,- D)Transcription.
Which scientists are responsible for describing the structure of
i,- i,- i,- i,- i,- i,- i,- i,- i,-
DNA? i,-
A)Watson and Crick. i,- i,-
B)Watson and Holmes. i,- i,-
C)Holmes and Croiger. i,- i,-
D)Brown and Curie.i,- i,- i,-i,- i,- A)Watson and Crick. i,- i,-
,All genes can be described using the Punnett Square method.
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
True or False?i,- i,- i,-
A)True
B)False i,-i,- i,- B)False
The term pleiotropy is best defined as:
i,- i,- i,- i,- i,- i,- i,-
A)A condition in which multiple genes are missing.
i,- i,- i,- i,- i,- i,- i,-
B)A situation in which one gene remains unexpressed.
i,- i,- i,- i,- i,- i,- i,-
C)One gene influencing multiple, seemingly unrelated phenotypic
i,- i,- i,- i,- i,- i,- i,-
traits.
D)Two genes affected by a single allele.
i,- C)One gene i,- i,- i,- i,- i,- i,-i,- i,- i,- i,-
influencing multiple, seemingly unrelated phenotypic traits.
i,- i,- i,- i,- i,-
Which molecules are responsible for the base pairing action in
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
DNA? i,-
A)Phosphate groups. i,-
B)Sugar molecules. i,-
C)Nitrogenous bases. i,-
D)Codons. i,-i,- i,- C)Nitrogenous bases. i,-
, Glycolysis is the conversion of _______ to ______ in the process of
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
cellular respiration. i,- i,-
A)Glucose, pyruvate. i,-
B)Pyruvate, glucose. i,-
C)NADH, pyruvate. i,-
D)NADH, ATP. i,- i,-i,- i,- A)Glucose, pyruvate. i,-
The oxidation of the NADH molecules to produce oxygen and
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
water in cellular respiration takes place in a series of steps
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
defined as: i,- i,-
A)Cellular inspiration. i,-
B)Krebs cycle. i,-
C)Electron transport chain. i,- i,-
D)Cellular conversion. i,- i,-i,- i,- C)Electron transport chain.
i,- i,-
For every glucose molecule utilized during cellular respiration,
i,- i,- i,- i,- i,- i,- i,- i,-
approximately how many ATP molecules can be produced? i,- i,- i,- i,- i,- i,- i,- i,-
A)14 to 18.i,- i,-
