HESI A2 BIOLOGY, 2026 EXAMS
QUESTION AND ANSWERS
In the hierarchic system of classification which is the least inclusive? - answerSpecies
After observing an event, you develop an explanation this is: - answerHypothesis
A molecule of water is bonded with another molecule of water by what type of bond? -
answerHydrogen
Which is a benefit of the intermolecular hydrogen bonding of water: - answer1- 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: -
answernucleic acids
Lipids are better known as fats but what are they specifically? - answerFatty acids,
phospholipids, steroids
What are the 2 categories of fatty acids? - answersaturated fats and unsaturated fats
How do phospholipids function in cells? - answerThey are integral components of
plasma membrane
Which of the biologic molecules are considered the most significant contributor to
cellular function? - answerProteins
Proteins are polymers of which? - answerAmino Acids
Which of the following proteins catalyze different reactions or processes? -
answerEnzyme
Which of the biologic molecules are components of the molecules of inheritance? -
answerNucleic Acids
What is the sum of all chemical reactions that occur in an organism? -
answerMetabolism
In a cell, reactions take place in a series of steps called: - answerMetabolic pathways
What is the fundamental unit of biology? - answerCell
QUESTION AND ANSWERS
In the hierarchic system of classification which is the least inclusive? - answerSpecies
After observing an event, you develop an explanation this is: - answerHypothesis
A molecule of water is bonded with another molecule of water by what type of bond? -
answerHydrogen
Which is a benefit of the intermolecular hydrogen bonding of water: - answer1- 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: -
answernucleic acids
Lipids are better known as fats but what are they specifically? - answerFatty acids,
phospholipids, steroids
What are the 2 categories of fatty acids? - answersaturated fats and unsaturated fats
How do phospholipids function in cells? - answerThey are integral components of
plasma membrane
Which of the biologic molecules are considered the most significant contributor to
cellular function? - answerProteins
Proteins are polymers of which? - answerAmino Acids
Which of the following proteins catalyze different reactions or processes? -
answerEnzyme
Which of the biologic molecules are components of the molecules of inheritance? -
answerNucleic Acids
What is the sum of all chemical reactions that occur in an organism? -
answerMetabolism
In a cell, reactions take place in a series of steps called: - answerMetabolic pathways
What is the fundamental unit of biology? - answerCell
