Anatomy & Physiology Chapter 2 Test
Bank Latest Update 2024/2025
a solution w/ a pH value less than 7 is
a. basic
b. neutral
c. acidic
d. alkaline
e. concentrated - ANSWER-c. acidic
AB + CD → AD + BC is general example of a(n) ____________ reaction
a. decomposition
b. synthesis
c. exchange
d. reversible
e. catalyzed - ANSWER-c. exchange
all of following are characteristics of anabolism EXCEPT:
a. it involves synthesizing new biomolecules.
b. it primarily involves endergonic reactions
c. it releases large amounts of energy
d. an example of anabolism is linking amino acids together to form proteins
e. an example is formation of two ammonia molecules from one nitrogen molecule & three hydrogen
molecules - ANSWER-c. it releases large amounts of energy
an enzyme acts to
a. raise the activation energy needed to start the reaction
b. lower the activation energy needed to start the reaction
c. convert the activation energy into potential energy
d. convert the activation energy into kinetic energy
e. stop a chemical reaction - ANSWER-b. lower the activation energy needed to start the reaction
briefly describe the octet rule - ANSWER-one atom is more likely to combine w/ another atom if doing
so will leave both atoms w/ eight electrons in their valence shells
characteristics listed below represent which element in periodic table?
,Anatomy & Physiology Chapter 2 Test
Bank Latest Update 2024/2025
1) 7 valence electrons
2) easily gains an electron
3) most likely to form an anion
4) high electronegativity
a. sodium
b. carbon
c. chlorine
d. nitrogen
e. oxygen - ANSWER-c. chlorine
chemical bonds formed between oxygen & hydrogen atoms making up water molecule are called
a. nonpolar covalent bonds
b. polar covalent bonds
c. hydrogen bonds
d. ionic bonds
e. atomic bonds - ANSWER-b. polar covalent bond
chemical compound that helps control pH of solution by adding or removing hydrogen ions is a(n)
a. electrolyte
b. salt
c. cation
d. colloid
e. buffer - ANSWER-e. buffer
chemical reaction involves interactions between the ____________ of two different atoms
a. neutrons
b. protons
c. isotopes
d. valence electrons
e. ions - ANSWER-d. valence electrons
, Anatomy & Physiology Chapter 2 Test
Bank Latest Update 2024/2025
chemical that can conduct electrical current when dissolved in water is called a(n)
a. isotope
b. isomer
c. compound
d. electrolyte
e. valence molecule - ANSWER-d. electrolyte
choose appropriate atomic number associated w/ element:
carbon's atomic mass (P = 6, N = 6) is [_________]. carbon has [____________] valence electrons.
carbon can form up to [____________] covalent bonds. carbon 14 is a radioactive isotope and contains
[_____________] neutrons.
choices: 2, 4, 6, 7, 8, 12, or 14 - ANSWER-1) 12
2) 4
3) 4
4) 8
choose which statement describes an anabolic (synthesis) reaction (select all that apply).
a. monomers are joined together
b. breaking a protein into amino acids
c. cooking raw fish in acids to make ceviche
d. glucose is linked together to make glycogen
e. molecule of water is removed to bond a galactose & glucose
f. molecule of water is added to separate glycine from lysine
g. using ATPase to speed up breakdown of ATP into ADP & P - ANSWER-a. monomers are joined together
&
d. glucose is linked together to make glycogen &
e. molecule of water is removed to bond a galactose & glucose
define mixture & then distinguish between three types of mixtures: solutions, colloids, & suspensions -
ANSWER-mixture is combo of elements or compounds that are physically blended together but not
bound by chemical bonds. a solution is a mixture where the solute is evenly dispersed among solvent
molecules. solutions have clear appearance. colloids are like solutions except solute is big enough to
Bank Latest Update 2024/2025
a solution w/ a pH value less than 7 is
a. basic
b. neutral
c. acidic
d. alkaline
e. concentrated - ANSWER-c. acidic
AB + CD → AD + BC is general example of a(n) ____________ reaction
a. decomposition
b. synthesis
c. exchange
d. reversible
e. catalyzed - ANSWER-c. exchange
all of following are characteristics of anabolism EXCEPT:
a. it involves synthesizing new biomolecules.
b. it primarily involves endergonic reactions
c. it releases large amounts of energy
d. an example of anabolism is linking amino acids together to form proteins
e. an example is formation of two ammonia molecules from one nitrogen molecule & three hydrogen
molecules - ANSWER-c. it releases large amounts of energy
an enzyme acts to
a. raise the activation energy needed to start the reaction
b. lower the activation energy needed to start the reaction
c. convert the activation energy into potential energy
d. convert the activation energy into kinetic energy
e. stop a chemical reaction - ANSWER-b. lower the activation energy needed to start the reaction
briefly describe the octet rule - ANSWER-one atom is more likely to combine w/ another atom if doing
so will leave both atoms w/ eight electrons in their valence shells
characteristics listed below represent which element in periodic table?
,Anatomy & Physiology Chapter 2 Test
Bank Latest Update 2024/2025
1) 7 valence electrons
2) easily gains an electron
3) most likely to form an anion
4) high electronegativity
a. sodium
b. carbon
c. chlorine
d. nitrogen
e. oxygen - ANSWER-c. chlorine
chemical bonds formed between oxygen & hydrogen atoms making up water molecule are called
a. nonpolar covalent bonds
b. polar covalent bonds
c. hydrogen bonds
d. ionic bonds
e. atomic bonds - ANSWER-b. polar covalent bond
chemical compound that helps control pH of solution by adding or removing hydrogen ions is a(n)
a. electrolyte
b. salt
c. cation
d. colloid
e. buffer - ANSWER-e. buffer
chemical reaction involves interactions between the ____________ of two different atoms
a. neutrons
b. protons
c. isotopes
d. valence electrons
e. ions - ANSWER-d. valence electrons
, Anatomy & Physiology Chapter 2 Test
Bank Latest Update 2024/2025
chemical that can conduct electrical current when dissolved in water is called a(n)
a. isotope
b. isomer
c. compound
d. electrolyte
e. valence molecule - ANSWER-d. electrolyte
choose appropriate atomic number associated w/ element:
carbon's atomic mass (P = 6, N = 6) is [_________]. carbon has [____________] valence electrons.
carbon can form up to [____________] covalent bonds. carbon 14 is a radioactive isotope and contains
[_____________] neutrons.
choices: 2, 4, 6, 7, 8, 12, or 14 - ANSWER-1) 12
2) 4
3) 4
4) 8
choose which statement describes an anabolic (synthesis) reaction (select all that apply).
a. monomers are joined together
b. breaking a protein into amino acids
c. cooking raw fish in acids to make ceviche
d. glucose is linked together to make glycogen
e. molecule of water is removed to bond a galactose & glucose
f. molecule of water is added to separate glycine from lysine
g. using ATPase to speed up breakdown of ATP into ADP & P - ANSWER-a. monomers are joined together
&
d. glucose is linked together to make glycogen &
e. molecule of water is removed to bond a galactose & glucose
define mixture & then distinguish between three types of mixtures: solutions, colloids, & suspensions -
ANSWER-mixture is combo of elements or compounds that are physically blended together but not
bound by chemical bonds. a solution is a mixture where the solute is evenly dispersed among solvent
molecules. solutions have clear appearance. colloids are like solutions except solute is big enough to
