Review Questions + Answer Keys –
Karp’s Cell and Molecular Biology (9th
Ed.)
science - answer-an organized way of gathering and analyzing evidence about the natural world
observation - answer-the act of noticing and describing events or processes in a careful, orderly
way
inference - answer-logical interpretation based on what scientists already know
hypothesis - answer-a scientific explanation for a set of observations that can be tested in was
that support or reject it
controlled experiment - answer-experiment in which only one variable is changed
independent variable - answer-variable that is deliberately changed
dependent variable - answer-variable that is observed and changes in response to the
independent variable
control group - answer-exposed to the same conditions as the experimental group except for
one independent variable
1
, data - answer-detailed records of experimental observations
theory - answer-ties hypotheses together, unifies a broad range of observations and hypotheses
bias - answer-particular preference or point of view that is personal
biology - answer-study of life
DNA - answer-deoxyribonucleic acid; complex information needed to grow, live and reproduce
stimulus - answer-signal to which an organism responds
sexual reproduction - answer-cells from two parents unite to form the first cell of a new
organism
asexual reproduction - answer-single organism produces offspring identical to itself
homeostasis - answer-keeping internal environment stable
metabolism - answer-combination of chemical reactions through which an organism builds up
or breaks down materials
biosphere - answer-part of Earth in which life exists including land, water, and air or
atmosphere
acid - answer-compound that forms hydrogen ions (H+) in solution; a solution with a pH less
2
Karp’s Cell and Molecular Biology (9th
Ed.)
science - answer-an organized way of gathering and analyzing evidence about the natural world
observation - answer-the act of noticing and describing events or processes in a careful, orderly
way
inference - answer-logical interpretation based on what scientists already know
hypothesis - answer-a scientific explanation for a set of observations that can be tested in was
that support or reject it
controlled experiment - answer-experiment in which only one variable is changed
independent variable - answer-variable that is deliberately changed
dependent variable - answer-variable that is observed and changes in response to the
independent variable
control group - answer-exposed to the same conditions as the experimental group except for
one independent variable
1
, data - answer-detailed records of experimental observations
theory - answer-ties hypotheses together, unifies a broad range of observations and hypotheses
bias - answer-particular preference or point of view that is personal
biology - answer-study of life
DNA - answer-deoxyribonucleic acid; complex information needed to grow, live and reproduce
stimulus - answer-signal to which an organism responds
sexual reproduction - answer-cells from two parents unite to form the first cell of a new
organism
asexual reproduction - answer-single organism produces offspring identical to itself
homeostasis - answer-keeping internal environment stable
metabolism - answer-combination of chemical reactions through which an organism builds up
or breaks down materials
biosphere - answer-part of Earth in which life exists including land, water, and air or
atmosphere
acid - answer-compound that forms hydrogen ions (H+) in solution; a solution with a pH less
2
