BIOCHEM ACS EXAM PREP GUIDE 2026
CORE BIOCHEMISTRY CONCEPTS AND
SOLVED ITEMS
◉ A missense mutation
Answer: Changes one amino acid
◉ A nonsense mutation
Answer: Creates a stop codon
◉ A frameshift mutation
Answer: Shifts the reading frame due to insertion or deletion
◉ Insertions and deletions often cause
Answer: Frameshift mutations
◉ A stop codon causes
Answer: Translation termination
◉ DNA contains
Answer: Deoxyribose and thymine
, ◉ RNA contains
Answer: Ribose and uracil
◉ Phosphodiester bonds connect
Answer: Nucleotides in DNA and RNA
◉ Saturated fatty acids
Answer: Contain no double bonds
◉ Unsaturated fatty acids
Answer: Contain one or more double bonds
◉ Unsaturated fatty acids generally increase
Answer: Membrane fluidity
◉ Phospholipids contain
Answer: A hydrophilic head and hydrophobic tails
◉ Cell membranes are primarily composed of
Answer: Phospholipid bilayers
CORE BIOCHEMISTRY CONCEPTS AND
SOLVED ITEMS
◉ A missense mutation
Answer: Changes one amino acid
◉ A nonsense mutation
Answer: Creates a stop codon
◉ A frameshift mutation
Answer: Shifts the reading frame due to insertion or deletion
◉ Insertions and deletions often cause
Answer: Frameshift mutations
◉ A stop codon causes
Answer: Translation termination
◉ DNA contains
Answer: Deoxyribose and thymine
, ◉ RNA contains
Answer: Ribose and uracil
◉ Phosphodiester bonds connect
Answer: Nucleotides in DNA and RNA
◉ Saturated fatty acids
Answer: Contain no double bonds
◉ Unsaturated fatty acids
Answer: Contain one or more double bonds
◉ Unsaturated fatty acids generally increase
Answer: Membrane fluidity
◉ Phospholipids contain
Answer: A hydrophilic head and hydrophobic tails
◉ Cell membranes are primarily composed of
Answer: Phospholipid bilayers
