BMS 300 Exam 1 | Updated Questions and
Answers | Most Recent 2026 Edition
• A bond in which electrons are shared between atoms is a _______ bond. -✓✓
Covalent
• Which of the following is NOT true about hydrophilic molecules -✓✓ They have
equal sharing of electrons across all the atoms in the molecule
• __________ pressure is the driving force of water through aquaporins -✓✓
Osmotic
• Triglycerides are composed of 1 long chain fatty acid and three glycerols -✓✓
False
• In triglycerides, a fatty acid is joined to glycerol by a(n) ________ bond -✓✓
Covalent and Ester
• _______ is the diffusion of water molecules through a semipermeable membrane
from a place of higher water concentration to a place of lower water concentration
until the concentration on both sides is equal. -✓✓ Osmosis
• The portion of an amino acid that differentiates one amino acid from another is
the _____. -✓✓ R-Group
• The most stable form phospholipids found in nature are? -✓✓ Liposome
, • In order to form a protein, multiple amino acids are linked via what bond? -✓✓
Covalent and Peptide
• In a phospholipid bilayer, how would hydrophobic and hydrophilic R groups of a
transmembrane protein orientate themselves? -✓✓ Hydrophilic R groups-Face
inward to form a polar/charged channel
Hydrophobic R groups-Face outward to interact with phospholipid tails
• Match the term on the left with the correct information on the right
Alpha Helix
Beta-Pleated Sheet -✓✓ Alpha Helix-Hydrogen Bonding within the strand
Beta-Pleated Sheet-Hydrogen Bonding between strands
• Alpha helices are more likely to be found spanning membranes than beta sheets. -
✓✓ True
• Which of the following is NOT a typical component of biological membranes? -
✓✓ triglycerides
• What protein structure allows enzymes to bind its substrate? -✓✓ Tertiary
• The amino acids on the outside of a protein placed in a bucket of fat are: -✓✓
hydrophobic
• What is a histone? -✓✓ A protein found in eukaryotic cell nuclei that package
and order the DNA into structural units called nucleosomes.
Answers | Most Recent 2026 Edition
• A bond in which electrons are shared between atoms is a _______ bond. -✓✓
Covalent
• Which of the following is NOT true about hydrophilic molecules -✓✓ They have
equal sharing of electrons across all the atoms in the molecule
• __________ pressure is the driving force of water through aquaporins -✓✓
Osmotic
• Triglycerides are composed of 1 long chain fatty acid and three glycerols -✓✓
False
• In triglycerides, a fatty acid is joined to glycerol by a(n) ________ bond -✓✓
Covalent and Ester
• _______ is the diffusion of water molecules through a semipermeable membrane
from a place of higher water concentration to a place of lower water concentration
until the concentration on both sides is equal. -✓✓ Osmosis
• The portion of an amino acid that differentiates one amino acid from another is
the _____. -✓✓ R-Group
• The most stable form phospholipids found in nature are? -✓✓ Liposome
, • In order to form a protein, multiple amino acids are linked via what bond? -✓✓
Covalent and Peptide
• In a phospholipid bilayer, how would hydrophobic and hydrophilic R groups of a
transmembrane protein orientate themselves? -✓✓ Hydrophilic R groups-Face
inward to form a polar/charged channel
Hydrophobic R groups-Face outward to interact with phospholipid tails
• Match the term on the left with the correct information on the right
Alpha Helix
Beta-Pleated Sheet -✓✓ Alpha Helix-Hydrogen Bonding within the strand
Beta-Pleated Sheet-Hydrogen Bonding between strands
• Alpha helices are more likely to be found spanning membranes than beta sheets. -
✓✓ True
• Which of the following is NOT a typical component of biological membranes? -
✓✓ triglycerides
• What protein structure allows enzymes to bind its substrate? -✓✓ Tertiary
• The amino acids on the outside of a protein placed in a bucket of fat are: -✓✓
hydrophobic
• What is a histone? -✓✓ A protein found in eukaryotic cell nuclei that package
and order the DNA into structural units called nucleosomes.
