BIO 1050 EXAM 1 ECU UPDATED QUESTIONS
AND CORRECT ANSWERS
◉ what is the structural and function unit of life.
Answer: cell
◉ Unicellular.
Answer: one cell
◉ Multicellular.
Answer: made of many cells, more complex
◉ 3 domains of life.
Answer: Bacteria, Archaea, Eukarya
◉ Bacteria.
Answer: (microbiology) single-celled or noncellular spherical or
spiral or rod-shaped organisms lacking chlorophyll that reproduce
by fission
◉ Archaea.
,Answer: Domain of unicellular prokaryotes that have cell walls that
do not contain peptidoglycan
◉ Eukaryote.
Answer: A cell that contains a nucleus and membrane bound
organelles
◉ Autotroph.
Answer: An organism that makes its own food
◉ Heterotroph.
Answer: organism that obtains energy from the foods it consumes;
also called a consumer
◉ binary fission.
Answer: A form of asexual reproduction in single-celled organisms
by which one cell divides into two cells of the same size
◉ Membrane.
Answer: ALL CELLS HAVE
thin layer of tissue that covers a surface, lines a cavity, or divides a
space or organ
, ◉ Where do archaea live?.
Answer: extreme environments
-lack oxygen, aquatic, too salty or hot for others
◉ Where does bacteria live?.
Answer: everywhere
◉ Eukaryotic cells.
Answer: Larger, complex, with nucleus, membrane bound organelles,
DNA tightly wrapped around histone proteins in chromosomes,
cellulose in plant cell walls.
◉ emergent properties.
Answer: New properties that arise with each step upward in the
hierarchy of life, owing to the arrangement and interactions of parts
as complexity increases.
◉ ether linkage.
Answer: Archaea (c o c)
◉ ester linkage.
Answer: bacteria and eukarya
AND CORRECT ANSWERS
◉ what is the structural and function unit of life.
Answer: cell
◉ Unicellular.
Answer: one cell
◉ Multicellular.
Answer: made of many cells, more complex
◉ 3 domains of life.
Answer: Bacteria, Archaea, Eukarya
◉ Bacteria.
Answer: (microbiology) single-celled or noncellular spherical or
spiral or rod-shaped organisms lacking chlorophyll that reproduce
by fission
◉ Archaea.
,Answer: Domain of unicellular prokaryotes that have cell walls that
do not contain peptidoglycan
◉ Eukaryote.
Answer: A cell that contains a nucleus and membrane bound
organelles
◉ Autotroph.
Answer: An organism that makes its own food
◉ Heterotroph.
Answer: organism that obtains energy from the foods it consumes;
also called a consumer
◉ binary fission.
Answer: A form of asexual reproduction in single-celled organisms
by which one cell divides into two cells of the same size
◉ Membrane.
Answer: ALL CELLS HAVE
thin layer of tissue that covers a surface, lines a cavity, or divides a
space or organ
, ◉ Where do archaea live?.
Answer: extreme environments
-lack oxygen, aquatic, too salty or hot for others
◉ Where does bacteria live?.
Answer: everywhere
◉ Eukaryotic cells.
Answer: Larger, complex, with nucleus, membrane bound organelles,
DNA tightly wrapped around histone proteins in chromosomes,
cellulose in plant cell walls.
◉ emergent properties.
Answer: New properties that arise with each step upward in the
hierarchy of life, owing to the arrangement and interactions of parts
as complexity increases.
◉ ether linkage.
Answer: Archaea (c o c)
◉ ester linkage.
Answer: bacteria and eukarya
