HESI A2 BIOLOGY (Definitions, Questions and Answers) 100% Correct.
In the hierarchic system of classification, which of the following is
the least inclusive?
Species
After observing an event, you develop an explanation. This
statement is referred to as which of the following?
Hypothesis
A molecule of water is bonded with another molecule of water by
what type of bond?
Hydrogen
Which of the following is a benefit of the intermolecular hydrogn
bonding of water?
Water has a relatively high specific heat value
Water has strong cohesive and adhesive properties
Polarity of water allows it to act as a versatile solvent
Of all the molecules that are significant to biology, which of the
following are considered the most important?
Carbohydrates, lipids, protein, and nucleic acids Lipids are better known as fats, but what are they specifically?
Fatty acids
Phospholipids
Steroids
What are the two categories of fatty acids?
Saturated fats and unsaturated fats
How do phospholipids function in cells?
They are integral components of the plasma membrane
Which of the biologic molecules are considered the most significant
contributor to cellular function?
Proteins
Proteins are polymers of which of the following?
Amino acids
Which of the following proteins catalyze different reactions or
processes?
Enzyme Which of the biologic molecules are components of the molecules
of inheritance?
Nucleic acids
What is the sum of all chemical reactions that occur in an organism?
Metabolism
In a cell, reactions take place in a series of steps called:
Metabolic pathways
What is the fundamental unit of biology?
Cell
Which type of cell contains no defined nucleus?
Prokaryotic cell
What is the primary purpose of the flagella on the surface of cells?
Movement of the cell
Which cell organelle functions to transport materials from the
endoplasmic reticulum throughout the cell?
Golgi apparatus
In the hierarchic system of classification, which of the following is
the least inclusive?
Species
After observing an event, you develop an explanation. This
statement is referred to as which of the following?
Hypothesis
A molecule of water is bonded with another molecule of water by
what type of bond?
Hydrogen
Which of the following is a benefit of the intermolecular hydrogn
bonding of water?
Water has a relatively high specific heat value
Water has strong cohesive and adhesive properties
Polarity of water allows it to act as a versatile solvent
Of all the molecules that are significant to biology, which of the
following are considered the most important?
Carbohydrates, lipids, protein, and nucleic acids Lipids are better known as fats, but what are they specifically?
Fatty acids
Phospholipids
Steroids
What are the two categories of fatty acids?
Saturated fats and unsaturated fats
How do phospholipids function in cells?
They are integral components of the plasma membrane
Which of the biologic molecules are considered the most significant
contributor to cellular function?
Proteins
Proteins are polymers of which of the following?
Amino acids
Which of the following proteins catalyze different reactions or
processes?
Enzyme Which of the biologic molecules are components of the molecules
of inheritance?
Nucleic acids
What is the sum of all chemical reactions that occur in an organism?
Metabolism
In a cell, reactions take place in a series of steps called:
Metabolic pathways
What is the fundamental unit of biology?
Cell
Which type of cell contains no defined nucleus?
Prokaryotic cell
What is the primary purpose of the flagella on the surface of cells?
Movement of the cell
Which cell organelle functions to transport materials from the
endoplasmic reticulum throughout the cell?
Golgi apparatus
