BIO 181 EXAM 1 - MODULES 1 &
2 VERIFIED ANSWERS 2026
Cation vs Anion - correct answerCation: positively charged ion
Anion: negatively charged ion
From weakest to strongest, what bonds are easily broken by an increase in
temperature? - correct answerHydrogen Bonds, Ionic Bonds, Nonpolar Covalent Bonds,
Polar Covalent Bonds
How are ionic bonds formed? - correct answerFormed when one atom completely
transfers one or more electrons to another atom
How does deductive reasoning use probabilities? - correct answerUses probabilities to
predict a specific outcome
How does inductive reasoning use evidence? - correct answerUses evidence to
estimate probabilities
Positive vs Negative Residual - correct answerPositive Residual: every point above the
line
Negative Residual: every point below the line
What 4 groups are required to have an amino acid? - correct answerAmino group, alpha
carbon, carboxyl group, and an R group
What are amino acids? - correct answerProteins that are a polymer of monomers
What are atoms categorized into? - correct answerElements
What are atoms composed of? - correct answerProtons, neutrons, and electrons
What are hydrogen bonds? - correct answerA weak attraction between a hydrogen
atom in one molecule and an atom with a partial negative charge in another molecule
What are the 3 types of nonpolar covalent bonds? - correct answerC-C , N-N, C-H
, What are the 5 types of polar covalent bonds from most polar to least polar? - correct
answerH+ O-
H+ N-
C+ O-
N+ O-
C+ N-
What are the three components of a scientific argument? - correct answerClaim,
Evidence, and Reasoning
What can a hydrophilic amino acid do? - correct answerThey can form a hydrogen bond
with a water molecule
What can a hydrophobic amino acid not do? - correct answerThey cannot form a
hydrogen bond with a water molecule
What determines a double covalent bond? - correct answer4 shared electrons
What determines a single covalent bond? - correct answer2 shared electrons
What determines a triple covalent bond? - correct answer6 shared electrons
What does an active site contain? - correct answerA shape and a charge needed to
attract a specific substrate and promote a specific reaction
What elements account for more than 90% of the atoms in our bodies? - correct
answerHydrogen, Oxygen, Carbon, and Nitrogen
What is a catalyst? - correct answerA substance that increases the rate of a reaction
without itself being consumed by that reaction
What is a chemical reaction? - correct answerA process in which molecules interact to
form new molecules with different compositions
What is a claim? - correct answerAn assertion about truth
What is a covalent bond? - correct answerA strong attraction that occurs when two
atoms share electrons
What is a dependent variable and what axis does it reside on? - correct answerA
variable whose expected value depends on the value of another variable; resides on the
x axis
What is a linear relationship? - correct answerAn association between the values of two
variables that produces a straight line when graphed
2 VERIFIED ANSWERS 2026
Cation vs Anion - correct answerCation: positively charged ion
Anion: negatively charged ion
From weakest to strongest, what bonds are easily broken by an increase in
temperature? - correct answerHydrogen Bonds, Ionic Bonds, Nonpolar Covalent Bonds,
Polar Covalent Bonds
How are ionic bonds formed? - correct answerFormed when one atom completely
transfers one or more electrons to another atom
How does deductive reasoning use probabilities? - correct answerUses probabilities to
predict a specific outcome
How does inductive reasoning use evidence? - correct answerUses evidence to
estimate probabilities
Positive vs Negative Residual - correct answerPositive Residual: every point above the
line
Negative Residual: every point below the line
What 4 groups are required to have an amino acid? - correct answerAmino group, alpha
carbon, carboxyl group, and an R group
What are amino acids? - correct answerProteins that are a polymer of monomers
What are atoms categorized into? - correct answerElements
What are atoms composed of? - correct answerProtons, neutrons, and electrons
What are hydrogen bonds? - correct answerA weak attraction between a hydrogen
atom in one molecule and an atom with a partial negative charge in another molecule
What are the 3 types of nonpolar covalent bonds? - correct answerC-C , N-N, C-H
, What are the 5 types of polar covalent bonds from most polar to least polar? - correct
answerH+ O-
H+ N-
C+ O-
N+ O-
C+ N-
What are the three components of a scientific argument? - correct answerClaim,
Evidence, and Reasoning
What can a hydrophilic amino acid do? - correct answerThey can form a hydrogen bond
with a water molecule
What can a hydrophobic amino acid not do? - correct answerThey cannot form a
hydrogen bond with a water molecule
What determines a double covalent bond? - correct answer4 shared electrons
What determines a single covalent bond? - correct answer2 shared electrons
What determines a triple covalent bond? - correct answer6 shared electrons
What does an active site contain? - correct answerA shape and a charge needed to
attract a specific substrate and promote a specific reaction
What elements account for more than 90% of the atoms in our bodies? - correct
answerHydrogen, Oxygen, Carbon, and Nitrogen
What is a catalyst? - correct answerA substance that increases the rate of a reaction
without itself being consumed by that reaction
What is a chemical reaction? - correct answerA process in which molecules interact to
form new molecules with different compositions
What is a claim? - correct answerAn assertion about truth
What is a covalent bond? - correct answerA strong attraction that occurs when two
atoms share electrons
What is a dependent variable and what axis does it reside on? - correct answerA
variable whose expected value depends on the value of another variable; resides on the
x axis
What is a linear relationship? - correct answerAn association between the values of two
variables that produces a straight line when graphed
