BIO 215 Unit 1
skeletal - *answers * Which type of muscle tissue is under voluntary control?
simple squamous - *answers * ____________ epithelium is a single layer of flat cells.
water - *answers * What is the most important and abundant inorganic compound in all living
systems?
mitochondria - *answers * Most ATP needed to supply the energy needs of the cell is produced
in the _____________.
cell - *answers * A(n) _____________ is the smallest basic structural and functional living unit
of an organism.
buffers - *answers * A(n) __________ resists drastic pH changes by converting strong acids or
bases to weak ones.
rough endoplasmic reticulum - *answers * Which cell organelle has attached ribosomes and
functions in synthesizing, processing, and modifying proteins?
true - *answers * True or false, epithelial tissues have close, tightly packed cells with many cell
junctions connecting them, whereas connective tissue cells are spaced far apart with a large
amount of extracellular matrix between them?
metabolism - *answers * __________ is the sum of all chemical reactions in the body.
nervous - *answers * ___________ tissue contains neurons that transmit electrical impulses
and release neurotransmitters that function in communication and control of bodily functions
with the help of the endocrine system.
, BIO 215 Unit 1
muscle, epithelial, nervous, connective - *answers * Which of the following is one of the main
classes of tissues?
osmosis - *answers * ____________ refers to diffusion of water across a selectively permeable
membrane.
ATP - *answers * ____________ is the major source of "energy currency" used to power body
reactions that require energy.
true - *answers * True or false, the brain and spinal cord are located in the dorsal body cavity?
homeostasis - *answers * _____________ is a condition of equilibrium in the body due to the
constant interplay of all the body's regulatory processes.
anatomy - *answers * ____________ is the science of body structures and their relationships.
hypothesis - *answers * Which step of scientific method best describes a potential (but
untested) explanation for a phenomenon based on prior knowledge and experience?
atom - *answers * ____________ is the smallest unit of matter that retains properties of an
element.
anaphase - *answers * During which phase of the cell cycle do the two sets of chromosomes
begin to move to opposite poles?
lipid bilayer - *answers * The structural framework of a cell's plasma membrane is a
__________.
skeletal - *answers * Which type of muscle tissue is under voluntary control?
simple squamous - *answers * ____________ epithelium is a single layer of flat cells.
water - *answers * What is the most important and abundant inorganic compound in all living
systems?
mitochondria - *answers * Most ATP needed to supply the energy needs of the cell is produced
in the _____________.
cell - *answers * A(n) _____________ is the smallest basic structural and functional living unit
of an organism.
buffers - *answers * A(n) __________ resists drastic pH changes by converting strong acids or
bases to weak ones.
rough endoplasmic reticulum - *answers * Which cell organelle has attached ribosomes and
functions in synthesizing, processing, and modifying proteins?
true - *answers * True or false, epithelial tissues have close, tightly packed cells with many cell
junctions connecting them, whereas connective tissue cells are spaced far apart with a large
amount of extracellular matrix between them?
metabolism - *answers * __________ is the sum of all chemical reactions in the body.
nervous - *answers * ___________ tissue contains neurons that transmit electrical impulses
and release neurotransmitters that function in communication and control of bodily functions
with the help of the endocrine system.
, BIO 215 Unit 1
muscle, epithelial, nervous, connective - *answers * Which of the following is one of the main
classes of tissues?
osmosis - *answers * ____________ refers to diffusion of water across a selectively permeable
membrane.
ATP - *answers * ____________ is the major source of "energy currency" used to power body
reactions that require energy.
true - *answers * True or false, the brain and spinal cord are located in the dorsal body cavity?
homeostasis - *answers * _____________ is a condition of equilibrium in the body due to the
constant interplay of all the body's regulatory processes.
anatomy - *answers * ____________ is the science of body structures and their relationships.
hypothesis - *answers * Which step of scientific method best describes a potential (but
untested) explanation for a phenomenon based on prior knowledge and experience?
atom - *answers * ____________ is the smallest unit of matter that retains properties of an
element.
anaphase - *answers * During which phase of the cell cycle do the two sets of chromosomes
begin to move to opposite poles?
lipid bilayer - *answers * The structural framework of a cell's plasma membrane is a
__________.
