c190 wgu UPDATED ACTUAL Exam
Questions and CORRECT Answers
atom - CORRECT ANSWER - basic unit of matter
molecule - CORRECT ANSWER - chemical structure consisting of at least 2 atoms held
together by a chemical bond
cell - CORRECT ANSWER - fundamental unit of life
organelle - CORRECT ANSWER - compartment inside the cell that contain specific
groups of macromolecules and carry out specific cellular functions
microorganisms - CORRECT ANSWER - single celled life form
tissue - CORRECT ANSWER - formed when many different kinds of cells work together
to fulfill the same detailed function
organs - CORRECT ANSWER - collections of tissues that work together to carry out a
common function
organ system - CORRECT ANSWER - higher level of organization that consists of
functionally related organs
organisms - CORRECT ANSWER - individual living entities that survive and reproduce
as a unit
population - CORRECT ANSWER - consists of all the individuals of a species living in a
specific area
, community - CORRECT ANSWER - populations that can interact with each other in a
positive or negative way
ecosystem - CORRECT ANSWER - consists of all the living things in a particular area
with the abiotic parts of the environment
biosphere - CORRECT ANSWER - collection of all ecosystems on earth
emergent properties - CORRECT ANSWER - characteristics of a system that are not
present in any of its component parts
homeostasis - CORRECT ANSWER - the ability or tendency of organisms and cells to
maintain stable internal conditions
pseudoscience - CORRECT ANSWER - any claim that purports or pretends to be
scientific in nature but does not actually have the characteristics of true scientific inquiry
biological macromolecules - CORRECT ANSWER - special molecules that contain
carbon atoms covalently bonded with hydrogen atoms
carbs. lipids. proteins. nucleic acids - CORRECT ANSWER - 4 classes of biological
macromolecules
chemical bonds - CORRECT ANSWER - attractions between atoms that hold atoms and
molecules together
covalent bond - CORRECT ANSWER - very stable, electron pairs are shared
weak - CORRECT ANSWER - are hydrogen and ionic bonds weak or strong
Questions and CORRECT Answers
atom - CORRECT ANSWER - basic unit of matter
molecule - CORRECT ANSWER - chemical structure consisting of at least 2 atoms held
together by a chemical bond
cell - CORRECT ANSWER - fundamental unit of life
organelle - CORRECT ANSWER - compartment inside the cell that contain specific
groups of macromolecules and carry out specific cellular functions
microorganisms - CORRECT ANSWER - single celled life form
tissue - CORRECT ANSWER - formed when many different kinds of cells work together
to fulfill the same detailed function
organs - CORRECT ANSWER - collections of tissues that work together to carry out a
common function
organ system - CORRECT ANSWER - higher level of organization that consists of
functionally related organs
organisms - CORRECT ANSWER - individual living entities that survive and reproduce
as a unit
population - CORRECT ANSWER - consists of all the individuals of a species living in a
specific area
, community - CORRECT ANSWER - populations that can interact with each other in a
positive or negative way
ecosystem - CORRECT ANSWER - consists of all the living things in a particular area
with the abiotic parts of the environment
biosphere - CORRECT ANSWER - collection of all ecosystems on earth
emergent properties - CORRECT ANSWER - characteristics of a system that are not
present in any of its component parts
homeostasis - CORRECT ANSWER - the ability or tendency of organisms and cells to
maintain stable internal conditions
pseudoscience - CORRECT ANSWER - any claim that purports or pretends to be
scientific in nature but does not actually have the characteristics of true scientific inquiry
biological macromolecules - CORRECT ANSWER - special molecules that contain
carbon atoms covalently bonded with hydrogen atoms
carbs. lipids. proteins. nucleic acids - CORRECT ANSWER - 4 classes of biological
macromolecules
chemical bonds - CORRECT ANSWER - attractions between atoms that hold atoms and
molecules together
covalent bond - CORRECT ANSWER - very stable, electron pairs are shared
weak - CORRECT ANSWER - are hydrogen and ionic bonds weak or strong
