Review Bergh Test Questions With
Guaranteed Pass Solutions 2026-2027
Update.
What are the 5 characteristics of life? - Answer Cells, Obtain and Use Energy, Reproduction,
Respond to the Environment, Adapt/Evolve
6 phases of mitosis - Answer interphase, prophase, metaphase, anaphase, telophase,
cytokinesis
Define cell theory - Answer The scientific theory describing cells, the cell as the basic unit of
living organisms, and that all cells arise only from pre-existing, living cells
Define evolution. - Answer All organisms are related by common ancestry and natural
selection is why species change through time and why they are so well adapted to their
habitats.
Define the theory of evolution by natural selection. - Answer Natural selection is a well-
tested explanation for why species change through time and why they are so well adapted to
their habitats.
What is a heritable trait? - Answer trait that is passed from parent to offspring
What are the 3 Domains of life? - Answer Bacteria, Archaea, Eukarya
What belongs in the archaea domain? - Answer prokaryotic: unicellular organisms
What belongs to the bacteria domain? - Answer prokaryotic: unicellular organisms
What belongs to the eukarya domain? - Answer eukaryotic: unicellular to multicellular
organisms
Prokaryotic cells lack - Answer membrane bound organelles and nucleus
What do eukaryotic cells contain? - Answer membrane bound organelles
,Define chemical evolution - Answer The theory that simple chemical compounds in the early
atmosphere and ocean combined via chemical reactions to form larger, more complex
substances, eventually leading to the origin of life and the start of biological evolution.
Define biological evolution - Answer Any genetic change in a population that is inherited over
several generations which may be small or large, noticeable, or not noticeable.
The number of protons is equal to? - Answer atomic number
Protons and neutrons equal - Answer atomic mass
What charge does a proton have? - Answer positive
What charge does a neutron have? - Answer neutral
What charge does an electron have? - Answer negative
What makes carbon special? - Answer Carbon has a valence of 4 and can bond to one
another and form a lot of different structures.
Define covalent bond - Answer attraction of 2 atoms for a shared pair of electrons
Define polar covalent bond - Answer unequal sharing of electrons
Define non-polar covalent bond - Answer equal sharing of electrons
Define electronegativity - Answer a measure of the tendency of an atom to attract a bonding
pair of electrons
Ionic bonds - Answer Formed when one or more electrons are transferred from one atom to
another
What is a hydrogen bond? - Answer a weak bond between two partially charged atoms
Hydrophilic - Answer Attracted to water
, A hydrophilic head is polar or non-polar? - Answer polar
Hydrophobic - Answer Water fearing
A hydrophobic head is polar or non-polar? - Answer non-polar
What two elements must all organic molecules contain? - Answer Carbon & Hydrogen
The structure of an amino acid contains - Answer H-atom, NH2-an amino functional group,
COOH-carboxyl functional group and R-group
How many different amino acids are there? - Answer 20
What part on an amino acid makes each of them unique? - Answer The R-group
Define R group - Answer in proteins the side chains are attached to the alpha carbon atoms
of the amino backbone. different with each amino acid
A polypeptide chain typically consists of ____ or more amino acids linked together by peptide
bonds. - Answer 50
A hydrolysis reaction - Answer A chemical reaction that breaks apart a larger molecule by
adding a molecule of water
Is a hydrolysis reaction exergonic or endergonic? - Answer exergonic
A dehydration reaction is - Answer A chemical reaction in which molecules combine by
removing water
Is a dehydration reaction exergonic or endergonic? - Answer Endergonic
What is the primary structure responsible for? - Answer directing folded state and for the
specific amino acid residues in the active site that interact with the substrate
The secondary structure interacts - Answer between CO2 and NH groups create secondary
structures which are stabilized by hydrogen bonds