BIO 1610 SLCC Final Exam Marking Scheme New Update (Verified Pass)
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BIO 1610 SLCC Final Exam Marking Scheme New Update (Verified Pass)
What makes something "living"? - Answers - -gas exchange
-movement
-interacts w environment
-can reproduce
-can adapt/grow/evolve
5 Themes in Book - Answers - -organiziation
-information
-matter&energy
-evolution
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bio 1610 slcc final exam marking scheme new update
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BIO 1610 SLCC Final Exam
Marking Scheme New Update
(Verified Pass)
What makes something "living"? - Answers -✔✔ -gas exchange
-movement
-interacts w environment
-can reproduce
-can adapt/grow/evolve
5 Themes in Book - Answers -✔✔ -organiziation
-information
-matter&energy
-evolution
Taxonomy - Answers -✔✔ the naming and classification of organisms
Species - Answers -✔✔ type of organism
Morphological Species Concept - Answers -✔✔ external form
Biological Species Concept - Answers -✔✔ organisms will interbreed and produce
normal, fertile offspring that can survive
Systematics - Answers -✔✔ subfield in biology; study of evolutionary relationships
Metabolism - Answers -✔✔ overall set of chemical reactions (or energy conversions)
that take place in a cell or organism
Linnaeus - Answers -✔✔ person who created Binomial System
How to determine an organisms name? - Answers -✔✔ underlined or italicized Genus,
species
Hypothesis - Answers -✔✔ is tested; can accept or reject
Theory - Answers -✔✔ idea that is broadly explanatory and studied many times over
many years
Atoms - Answers -✔✔ basic building block of matter
,Elements - Answers -✔✔ cannot be broken down by chemical reactions
Bohr Model - Answers -✔✔ inner, middle, and outer most shell diagram
Protons - Answers -✔✔ (+), in nucleus, 1 AMU
Electrons - Answers -✔✔ (-), in orbitals or shells, mass is negligible
Neutrons - Answers -✔✔ non-charged, in nucleus, 1 AMU
Atomic Number - Answers -✔✔ number of protons in nucleus
Mass Number - Answers -✔✔ # of protons PLUS # of neutrons
Isotopes - Answers -✔✔ different forms of an element that differ by the Mass Number
Ion - Answers -✔✔ a charged particle that forms when atom GAINS or LOSES an
electron
Cation - Answers -✔✔ POSITIVELY charged ion
Anion - Answers -✔✔ NEGATIVELY charged ion
Ionic Bond - Answers -✔✔ when cations and anions attract each other
Ionic Compounds - Answers -✔✔ compounds formed by IONIC BONDS; "salts"
Covalent Bond - Answers -✔✔ SHARING of a pair of valence electrons by two atoms
Molecule - Answers -✔✔ two or more atoms held together by COVALENT BONDS
Single Covalent Bonds - Answers -✔✔ ONE pair of electrons are shared
Molecular Formula - Answers -✔✔ tells us the number of the element (H20, CH4, NH3)
Double Covalent Bond - Answers -✔✔ TWO pairs of electrons are shared
Triple Covalent Bond - Answers -✔✔ THREE pairs of electrons are shared
Electronegativity - Answers -✔✔ the attraction of a particular atom for electrons of a
COVALENT bond (this differs for each element)
Non-Polar Covalent Bond - Answers -✔✔ when electrons are shared EQUALLY and
result in a non-polar molecule (ex: hydrogen gas)
, Polar Covalent Bond - Answers -✔✔ when electrons are UNEQUALLY shared and
result in a polar molecule (ex: Ammonia)
Hydrogen Bond - Answers -✔✔ a weak bond that forms between OPPOSITELY
charged regions of POLAR molecules (only polar bonds can have these)
Van der Waals Interactions - Answers -✔✔ these happen when atoms and molecules
are very close together (individually weak)
Chemical Reactions - Answers -✔✔ these are reversible; contain reactants and
products
Cohesion - Answers -✔✔ when hydrogen bonds hold together the substance (ex:
surface tension)
Adhesion - Answers -✔✔ clinging of one substance to another due to hydrogen
bonding (ex: capillary action)
Acids - Answers -✔✔ a solute that INCREASES the hydrogen concentration when
dissolved in water (has pH level 1-6)
Bases - Answers -✔✔ a solute that DECREASES the hydrogen concentration when
dissolved in water (has pH level 8-14)
Mole - Answers -✔✔ 6.02x10E23; equivalent to the atomic number in grams
Carbohydrates - Answers -✔✔ sugars & polymers of sugars, source of energy or
structural molecules
Hydroxyl Group (-OH) - Answers -✔✔ name: alcohol
example: ethanol
Carboxyl Group (-COOH) - Answers -✔✔ name: carboxylic acid or organic acid
example: acetic acid
Carbonyl Group (>C=O) - Answers -✔✔ name: Ketone or Aldehyde
example: acetone and propanal
Sulfhydryl Group (-SH) - Answers -✔✔ name: Thiol
example: cysteine
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