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UA BSC 108 Exam 1 study guide with complete solutions
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UA BSC 108 Exam 1 study guide with complete solutions
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UA BSC 108 Exam 1 study guide withcomplete solutions
active transport - ANSWER-The movement of materials through a cell membrane using
energy.
an atom can be turned into an ion by adding or removing ___ - ANSWER-electrons
an atom can be turned into an isotope by adding or removing ____ - ANSWER-neutrons
animal cell - ANSWER-A type of cell that has lysosomes but doesn't contain a cell wall
atomic mass - ANSWER-protons + neutrons
atomic number - ANSWER-The number of protons in the nucleus of an atom
atp - ANSWER-(adenosine triphosphate) main energy source that cells use for most of
their work
buffer - ANSWER-compound that prevents sharp, sudden changes in pH
carrier proteins - ANSWER-a protein that transports specific substances across a
biological membrane
catalyst - ANSWER-substance that speeds up the rate of a chemical reaction
cell - ANSWER-smallest level of biological organization capable of demonstrating all the
characteristics of life
central vacuole - ANSWER-Fluid-filled vesicle in many plant cells.
channel proteins - ANSWER-form small openings for molecules to diffuse through
cholesterol molecules - ANSWER-e
found between phospholipids tails to prevent them from sticking together.
control group - ANSWER-in an experiment, the group that is not exposed to the
treatment
covalent bond - ANSWER-a bond formed when atoms share one or more pairs of
electrons
cytoplasm - ANSWER-A jellylike fluid inside the cell in which the organelles are
suspended
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