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HESI A2 BIOLOGY ACTUAL EXAM NEWEST 2025 /
QUESTIONS WITH DETAILED, VERIFIED ANSWERS
(100% CORRECT)
In the hierarchic system of classification which is the least inclusive? -
(answers)Species
After observing an event, you develop an explanation this is: -
(answers)Hypothesis
A molecule of water is bonded with another molecule of water by what type of
bond? - (answers)Hydrogen
Which is a benefit of the intermolecular hydrogen bonding of water: - (answers)1-
Water has a relatively high specific heat value.
2- Water has strong cohesive and adhesive properties.
3- Polarity of water allows it to act as a versatile solvent.
Of all molecules that are significant to biology which are considered important: -
(answers)nucleic acids
Lipids are better known as fats but what are they specifically? - (answers)Fatty
acids, phospholipids, steroids
What are the 2 categories of fatty acids? - (answers)saturated fats and
unsaturated fats
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How do phospholipids function in cells? - (answers)They are integral components
of plasma membrane
Which of the biologic molecules are considered the most significant contributor
to cellular function? - (answers)Proteins
Proteins are polymers of which? - (answers)Amino Acids
Which of the following proteins catalyze different reactions or processes? -
(answers)Enzyme
Which of the biologic molecules are components of the molecules of inheritance?
- (answers)Nucleic Acids
What is the sum of all chemical reactions that occur in an organism? -
(answers)Metabolism
In a cell, reactions take place in a series of steps called: - (answers)Metabolic
pathways
What is the fundamental unit of biology? - (answers)Cell
Which type of cell contains no defined nucleus? - (answers)Prokaryotic cell
HESI A2 BIOLOGY ACTUAL EXAM NEWEST 2025 /
QUESTIONS WITH DETAILED, VERIFIED ANSWERS
(100% CORRECT)
In the hierarchic system of classification which is the least inclusive? -
(answers)Species
After observing an event, you develop an explanation this is: -
(answers)Hypothesis
A molecule of water is bonded with another molecule of water by what type of
bond? - (answers)Hydrogen
Which is a benefit of the intermolecular hydrogen bonding of water: - (answers)1-
Water has a relatively high specific heat value.
2- Water has strong cohesive and adhesive properties.
3- Polarity of water allows it to act as a versatile solvent.
Of all molecules that are significant to biology which are considered important: -
(answers)nucleic acids
Lipids are better known as fats but what are they specifically? - (answers)Fatty
acids, phospholipids, steroids
What are the 2 categories of fatty acids? - (answers)saturated fats and
unsaturated fats
, 2|Page
How do phospholipids function in cells? - (answers)They are integral components
of plasma membrane
Which of the biologic molecules are considered the most significant contributor
to cellular function? - (answers)Proteins
Proteins are polymers of which? - (answers)Amino Acids
Which of the following proteins catalyze different reactions or processes? -
(answers)Enzyme
Which of the biologic molecules are components of the molecules of inheritance?
- (answers)Nucleic Acids
What is the sum of all chemical reactions that occur in an organism? -
(answers)Metabolism
In a cell, reactions take place in a series of steps called: - (answers)Metabolic
pathways
What is the fundamental unit of biology? - (answers)Cell
Which type of cell contains no defined nucleus? - (answers)Prokaryotic cell
