BSC2010 EXAM 1 REVIEW QUESTIONS AND ANSWERS 2026

BSC2010 EXAM 1 REVIEW

Aerobic Metabolism - ANSWERS-A set of reactions that releases
energy from molecules by using O2


Anaerobic Metabolism - ANSWERS-Extracts energy without using
O2


Genome - ANSWERS-The sum of an organism's genetic material


Mutation - ANSWERS-Changes in genome from genetic replication


Cell Organization types - ANSWERS-Cells < Tissues < Organs <
Organ systems


Major branches of the tree of life - ANSWERS-Bacteria, Archaea,
Eukarya


Positive Feedback - ANSWERS-Speeds up a process; tends to
destabilize a system


Negative Feedback - ANSWERS-Slows a process down; common in
regulatory systems


Nucleotide - ANSWERS-Monomer of nucleic acids

,Evolution - ANSWERS-Accounted for by natural selection (Darwin
1859)


Proximate explanation - ANSWERS-a focus on relatively immediate
causes


Ultimate explanation - ANSWERS-The historical explanations of the
processes that led to the evolution of an adaptation.


Most abundant elements on Earth - ANSWERS-H, C, O, and N


Diatomic Molecules - ANSWERS-BrINClHOF


Electrostatics attractions - ANSWERS-Van der waals < Dipole-Dipole
< Hydrogen


Hydrolysis - ANSWERS-A molecule reacts with water and is broken
down


Condensation - ANSWERS-Molecules synthesize and leave water as
a by-product


Exergonic - ANSWERS-Exothermic, Hydrolysis

, Endergonic - ANSWERS-Endothermic, Condensation


Methyl - ANSWERS-


Hydroxyl - ANSWERS-


Sulfhydryl - ANSWERS-


Aldehyde - ANSWERS-


Keto - ANSWERS-


Carboxyl - ANSWERS-


Amino - ANSWERS-


Phosphate - ANSWERS-


Monomer - ANSWERS-The subunit of a macromolecule


Polymer - ANSWERS-Large molecules made from covalent bonds
between monomers


Lipids - ANSWERS-Fats and oils; insoluble in water (hydrophobic)