USABO Open Exam Questions and Answers |
100% Correct Answers | Graded A+
Question: Actin -✓✓Protein involved in cell motility and muscle
contraction.
Question: Myosin -✓✓Motor protein involved in muscle contraction and
cytokinesis.
Question: Dynein -✓✓Motor protein involved in intracellular transport
and ciliary/flagellar movement.
Question: Kinesin -✓✓Motor protein involved in intracellular transport
and mitotic spindle formation.
Question: Cyclin -✓✓Regulatory protein involved in cell cycle control.
Question: Extracellular matrix -✓✓Non-cellular component providing
structural support and biochemical signaling to surrounding cells.
Question: Cytokinesis -✓✓Division of the cytoplasm following nuclear
division.
Question: pKa -✓✓Negative base-10 logarithm of the acid dissociation
constant.
Question: Oxidative phosphorylation -✓✓Process of ATP synthesis in
mitochondria using oxygen as the final electron acceptor.
Question: Frederick Griffith -✓✓Discovered transformation through
pneumococcal bacteria.
, Question: Hershey and Chase -✓✓Confirmed DNA as the hereditary
material using bacteriophages.
Question: Chargaff -✓✓Discovered the complementary base pairing in
DNA.
Question: Watson and Crick -✓✓Proposed the double-helix structure of
DNA.
Question: Meselson and Stahl -✓✓Demonstrated semi-conservative
replication of DNA.
Question: Transmembrane protein -✓✓Protein spanning the cell
membrane and facilitating molecular transport.
Question: Transmembrane domain -✓✓Region of a transmembrane
protein that crosses the lipid bilayer.
Question: Alpha helices -✓✓Secondary structure of proteins
characterized by right-handed coiled segments.
Question: Electron transport chain -✓✓Series of protein complexes and
cytochromes facilitating electron transfer to generate ATP.
Question: Ubiquinone -✓✓Coenzyme involved in electron transport and
ATP synthesis.
Question: FADH2 -✓✓Reduced form of flavin adenine dinucleotide,
donates electrons to the electron transport chain.
Question: NADH -✓✓Reduced form of nicotinamide adenine
dinucleotide, donates electrons to the electron transport chain.
100% Correct Answers | Graded A+
Question: Actin -✓✓Protein involved in cell motility and muscle
contraction.
Question: Myosin -✓✓Motor protein involved in muscle contraction and
cytokinesis.
Question: Dynein -✓✓Motor protein involved in intracellular transport
and ciliary/flagellar movement.
Question: Kinesin -✓✓Motor protein involved in intracellular transport
and mitotic spindle formation.
Question: Cyclin -✓✓Regulatory protein involved in cell cycle control.
Question: Extracellular matrix -✓✓Non-cellular component providing
structural support and biochemical signaling to surrounding cells.
Question: Cytokinesis -✓✓Division of the cytoplasm following nuclear
division.
Question: pKa -✓✓Negative base-10 logarithm of the acid dissociation
constant.
Question: Oxidative phosphorylation -✓✓Process of ATP synthesis in
mitochondria using oxygen as the final electron acceptor.
Question: Frederick Griffith -✓✓Discovered transformation through
pneumococcal bacteria.
, Question: Hershey and Chase -✓✓Confirmed DNA as the hereditary
material using bacteriophages.
Question: Chargaff -✓✓Discovered the complementary base pairing in
DNA.
Question: Watson and Crick -✓✓Proposed the double-helix structure of
DNA.
Question: Meselson and Stahl -✓✓Demonstrated semi-conservative
replication of DNA.
Question: Transmembrane protein -✓✓Protein spanning the cell
membrane and facilitating molecular transport.
Question: Transmembrane domain -✓✓Region of a transmembrane
protein that crosses the lipid bilayer.
Question: Alpha helices -✓✓Secondary structure of proteins
characterized by right-handed coiled segments.
Question: Electron transport chain -✓✓Series of protein complexes and
cytochromes facilitating electron transfer to generate ATP.
Question: Ubiquinone -✓✓Coenzyme involved in electron transport and
ATP synthesis.
Question: FADH2 -✓✓Reduced form of flavin adenine dinucleotide,
donates electrons to the electron transport chain.
Question: NADH -✓✓Reduced form of nicotinamide adenine
dinucleotide, donates electrons to the electron transport chain.
