HESI a2 Retake Study Guide Questions
and Answers 100% Pass
What is the most inclusive category in biology? - ANSWER-Kingdom
What is the least inclusive/ most restrictive? - ANSWER-Species
What are the four steps of the scientific process in order? - ANSWER-
Observation, Hypothesis, Experiment, Conclusion
What is the amount of heat necessary to raise the temperature of 1 gram of that
molecule by 1 degree celsius? - ANSWER-Specific heat
The ability of a molecule to stay bonded or attracted to another molecule of the
same substance - ANSWER-Cohesion
The ability of a molecule to bond or attract to other molecules or substances -
ANSWER-Adhesion
Long chains, or polymers, of sugars that provide storage, structure and energy. -
ANSWER-Carbohydrate
carbohydrates form the backbone of important molecules such as _____ and
_______ - ANSWER-DNA & RNA
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, Lipids pertains to ___ (3 answers) - ANSWER-Fatty acids, phospholipids, and
steroids.
Fatty acids that contain no double bonds in their hydrocarbon tail - ANSWER-
Saturated fats
Fatty acids that contain one or more double bond, solid at room temperature. -
ANSWER-Unsaturated fats
Cardiovascular problems are likely associated with diets involving high quantities
of what type of fatty acid? - ANSWER-Saturated fats
____ is a lipid that is important to the function of the cell membrane because it
creates a barrier that protects the cell. - ANSWER-Phospholipid
Many ____ (a type of lipid) are precursors to significant hormones and drugs. -
ANSWER-Steroids
Proteins are the polymers of 20 molecules called _____ - ANSWER-amino acids
Particular types of proteins that act to catalyze nearly all reactions. - ANSWER-
Enzymes
a unique molecule specific to a particular organism that contains the code that is
necessary for replication - ANSWER-DNA
used in the transfer of information from DNA to protein level and as a messenger
in most species of the genetic code - ANSWER-RNA
©️COPYRIGHT 2025, ALL RIGHTS RESERVED. 2
and Answers 100% Pass
What is the most inclusive category in biology? - ANSWER-Kingdom
What is the least inclusive/ most restrictive? - ANSWER-Species
What are the four steps of the scientific process in order? - ANSWER-
Observation, Hypothesis, Experiment, Conclusion
What is the amount of heat necessary to raise the temperature of 1 gram of that
molecule by 1 degree celsius? - ANSWER-Specific heat
The ability of a molecule to stay bonded or attracted to another molecule of the
same substance - ANSWER-Cohesion
The ability of a molecule to bond or attract to other molecules or substances -
ANSWER-Adhesion
Long chains, or polymers, of sugars that provide storage, structure and energy. -
ANSWER-Carbohydrate
carbohydrates form the backbone of important molecules such as _____ and
_______ - ANSWER-DNA & RNA
©️COPYRIGHT 2025, ALL RIGHTS RESERVED. 1
, Lipids pertains to ___ (3 answers) - ANSWER-Fatty acids, phospholipids, and
steroids.
Fatty acids that contain no double bonds in their hydrocarbon tail - ANSWER-
Saturated fats
Fatty acids that contain one or more double bond, solid at room temperature. -
ANSWER-Unsaturated fats
Cardiovascular problems are likely associated with diets involving high quantities
of what type of fatty acid? - ANSWER-Saturated fats
____ is a lipid that is important to the function of the cell membrane because it
creates a barrier that protects the cell. - ANSWER-Phospholipid
Many ____ (a type of lipid) are precursors to significant hormones and drugs. -
ANSWER-Steroids
Proteins are the polymers of 20 molecules called _____ - ANSWER-amino acids
Particular types of proteins that act to catalyze nearly all reactions. - ANSWER-
Enzymes
a unique molecule specific to a particular organism that contains the code that is
necessary for replication - ANSWER-DNA
used in the transfer of information from DNA to protein level and as a messenger
in most species of the genetic code - ANSWER-RNA
©️COPYRIGHT 2025, ALL RIGHTS RESERVED. 2
