ASU BIO 181 EXAM 100 EXAM SCRIPT 2026
TEST PAPER QUESTIONS AND SOLUTIONS
GRADED A+
◉ The shared biochemistry of all life is often considered evidence
for:
Answer: Shared common descent of all life on earth.
◉ Water has which property or properties?
Answer: Hydrophilic
Forms hydrogen bonds
◉ Ocean acidification is resulting due to
Answer: Global release of CO2 through the use of fossil fuels
◉ Which other element (besides Carbon) is often suggested as
having potential for life
Answer: Silicon
◉ Which kind of organic compound is pictured?
Answer: Amino acid
,◉ What kind of molecule is pictured?
Answer: RNA
◉ Which kind of organic compound is pictured?
Answer: phospholipid
◉ All things being equal which fatty acid will have a lower melting
point?
Answer: Short-chain fatty acid
◉ What kind of molecule is pictured?
Answer: polypeptide
◉ Saturated or unsaturated fat?
Answer: saturated(top)
◉ Which type of molecular interaction is strongest?
Answer: Covalent bond
◉ Water is a...
Answer: polar molecule
, ◉ A low pH is typical of
Answer: acids
◉ What element is called the 'backbone of life'?
Answer: carbon
◉ DNA or RNA?
Answer: DNA
◉ This amino acid is capable of forming disulfide bridges
Answer: Cysteine
◉ Name this compound...
Answer: Cholesterol
◉ Exothermic or Endothermic?
Answer: exothermic
◉ Which level of protein structure?
Answer: Quaternary
◉ The name of a conceptual model for enzyme action
TEST PAPER QUESTIONS AND SOLUTIONS
GRADED A+
◉ The shared biochemistry of all life is often considered evidence
for:
Answer: Shared common descent of all life on earth.
◉ Water has which property or properties?
Answer: Hydrophilic
Forms hydrogen bonds
◉ Ocean acidification is resulting due to
Answer: Global release of CO2 through the use of fossil fuels
◉ Which other element (besides Carbon) is often suggested as
having potential for life
Answer: Silicon
◉ Which kind of organic compound is pictured?
Answer: Amino acid
,◉ What kind of molecule is pictured?
Answer: RNA
◉ Which kind of organic compound is pictured?
Answer: phospholipid
◉ All things being equal which fatty acid will have a lower melting
point?
Answer: Short-chain fatty acid
◉ What kind of molecule is pictured?
Answer: polypeptide
◉ Saturated or unsaturated fat?
Answer: saturated(top)
◉ Which type of molecular interaction is strongest?
Answer: Covalent bond
◉ Water is a...
Answer: polar molecule
, ◉ A low pH is typical of
Answer: acids
◉ What element is called the 'backbone of life'?
Answer: carbon
◉ DNA or RNA?
Answer: DNA
◉ This amino acid is capable of forming disulfide bridges
Answer: Cysteine
◉ Name this compound...
Answer: Cholesterol
◉ Exothermic or Endothermic?
Answer: exothermic
◉ Which level of protein structure?
Answer: Quaternary
◉ The name of a conceptual model for enzyme action
