HESI A2 Exam - Biology Sample
Problems Admission Assessment 4th
edition practice State test questions
with correct answers
Qs
what is the hierarchic organizational system for nomenclature? - n
Ans✔
kingdom, phylum, class, order, family, genus, species
Qs
what are the steps of the scientific method? - n
Ans✔
observation, hypothesis, experiment, conclusion
Qs
what is the chemical composition of water? - n
Ans✔
two hydrogen atoms covalently bonded to an oxygen atom
Qs
what is the most significant aspect of water? - n
Ans✔
polarity of its bond
Qs
what does water's polarity allow for? - n
Ans✔
,hydrogen bonding and versatile solvent
Qs
what does hydrogen bonding in water cause? - n
Ans✔
high specific heat value, strong cohesive and strong adhesive properties
Qs
what is the definition of specific heat? - n
Ans✔
the amount of heat necessary to raise the temperature of one gram of that
molecule by one degree Celsius
Qs
what is good to note about water's specific heat value? - n
Ans✔
it is relatively high
Qs
what does a relatively high specific heat value allow for? - n
Ans✔
resists shifts in temperature
Qs
how does the high specific heat value of water play a role in the biosphere? - n
Ans✔
oceans and large bodies of water are able to stabilize climates
Qs
what is cohesion? - n
, Ans✔
the ability of a molecule to stay bonded or attracted to another molecule of the
same substance
Qs
what is adhesion? - n
Ans✔
the ability of a molecule to bond or attract other molecules or substances
Qs
what occurs when water freezes? - n
Ans✔
lattice crystal is formed, molecules spread apart
Qs
what are the most important biological molecules? - n
Ans✔
carbohydrates, lipids, proteins, nucleic acids
Qs
what are carbohydrates? - n
Ans✔
generally long chains or polymers of sugars
Qs
what are the most important functions of carbohydrates? - n
Ans✔
storage, structure, energy
Qs
Problems Admission Assessment 4th
edition practice State test questions
with correct answers
Qs
what is the hierarchic organizational system for nomenclature? - n
Ans✔
kingdom, phylum, class, order, family, genus, species
Qs
what are the steps of the scientific method? - n
Ans✔
observation, hypothesis, experiment, conclusion
Qs
what is the chemical composition of water? - n
Ans✔
two hydrogen atoms covalently bonded to an oxygen atom
Qs
what is the most significant aspect of water? - n
Ans✔
polarity of its bond
Qs
what does water's polarity allow for? - n
Ans✔
,hydrogen bonding and versatile solvent
Qs
what does hydrogen bonding in water cause? - n
Ans✔
high specific heat value, strong cohesive and strong adhesive properties
Qs
what is the definition of specific heat? - n
Ans✔
the amount of heat necessary to raise the temperature of one gram of that
molecule by one degree Celsius
Qs
what is good to note about water's specific heat value? - n
Ans✔
it is relatively high
Qs
what does a relatively high specific heat value allow for? - n
Ans✔
resists shifts in temperature
Qs
how does the high specific heat value of water play a role in the biosphere? - n
Ans✔
oceans and large bodies of water are able to stabilize climates
Qs
what is cohesion? - n
, Ans✔
the ability of a molecule to stay bonded or attracted to another molecule of the
same substance
Qs
what is adhesion? - n
Ans✔
the ability of a molecule to bond or attract other molecules or substances
Qs
what occurs when water freezes? - n
Ans✔
lattice crystal is formed, molecules spread apart
Qs
what are the most important biological molecules? - n
Ans✔
carbohydrates, lipids, proteins, nucleic acids
Qs
what are carbohydrates? - n
Ans✔
generally long chains or polymers of sugars
Qs
what are the most important functions of carbohydrates? - n
Ans✔
storage, structure, energy
Qs
