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Montgomery College BIO 150 Lab Exam 1 Question and answers rated A+ 2024
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Montgomery College BIO 150 Lab Exam 1 Question and answers rated A+ 2024
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Montgomery College BIO 150 Lab Exam1 Question and answers rated A+ (6 pgs)
observation, question, hypothesis, prediction, experiment, analyze, conclusion
- correct answer ✔list the steps of the scientific method.
independent variable - correct answer ✔in an experiment: the factor that is
changed by the experimenter and is not affected by any other factor.
dependent variable - correct answer ✔in an experiment: the factor that
changes value as another factor is changed by the experimenter.
experimental group - correct answer ✔in an experiment: a group of samples,
etc. that receives the experimental treatment or factor
positive control - correct answer ✔in an experiment: a control group that is
treated in the same manner as the experimental group and and is designed to
give a positive result
negative control - correct answer ✔in an experiment: a control group that is
treated in the same manner as the experimental group and and is designed to
give a negative result
control group - correct answer ✔in an experiment: a group of samples, etc.
that is treated in the same way as the experimental group, but does not
receive the experimental treatment or factor. this group shows the background
level or response and is used for comparison to the experimental group.
factor: 10³ numeric value: thousand - correct answer ✔metric prefix: kilo |
metric symbol: k | name the factor and numeric value.
, factor: 10⁻² numeric value: hundredth - correct answer ✔metric prefix: centi |
metric symbol: c | name the factor and numeric value.
factor: 10⁻³ numeric value: thousandth - correct answer ✔metric prefix: milli |
metric symbol: m | name the factor and numeric value.
factor: 10⁻⁶ numeric value: millionth - correct answer ✔metric prefix: micro |
metric symbol: µ | name the factor and numeric value.
factor: 10⁻⁹ numeric value: billionth - correct answer ✔metric prefix: nano |
metric symbol: n | name the factor and numeric value.
wavelength, independent - correct answer ✔DATA ANALYSIS: with a
spectrophotometer: the variable that is being manipulated or changed is the
__________, which makes it the __________ variable
vegetable extract, dependent - correct answer ✔DATA ANALYSIS: with a
spectrophotometer: the variable that is being measured with the
spectrophotometer is the __________, which makes it the __________
variable
title, axes, intervals, labels, scale - correct answer ✔list the 5 steps which the
TAILS acronym stands for.
bar - correct answer ✔BAR VS. LINE GRAPH: If one of the variables is not
continuous, you must make a ______ graph.
line - correct answer ✔BAR VS. LINE GRAPH: If both of your variables are
continuous, then a ______ graph is the more appropriate choice.
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