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Montgomery College BIO 150 Lab Exam 1 Study Guide Solutions observation, question, hypothesis, prediction, experiment, analyze, conclusion - ANSWER-list the steps of the scientific method. independent variable - ANSWER-in an experiment: the factor that is changed by the experimenter and is not...

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  • November 13, 2024
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Montgomery College BIO 150 Lab
Exam 1 Study Guide Solutions

observation, question, hypothesis, prediction, experiment, analyze, conclusion -

ANSWER✔✔-list the steps of the scientific method.


independent variable - ANSWER✔✔-in an experiment: the factor that is changed by the

experimenter and is not affected by any other factor.


dependent variable - ANSWER✔✔-in an experiment: the factor that changes value as

another factor is changed by the experimenter.


experimental group - ANSWER✔✔-in an experiment: a group of samples, etc. that

receives the experimental treatment or factor


positive control - 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 - 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 - 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


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, 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 - ANSWER✔✔-metric prefix: kilo | metric symbol:

k | name the factor and numeric value.


factor: 10⁻² numeric value: hundredth - ANSWER✔✔-metric prefix: centi | metric

symbol: c | name the factor and numeric value.


factor: 10⁻³ numeric value: thousandth - ANSWER✔✔-metric prefix: milli | metric

symbol: m | name the factor and numeric value.


factor: 10⁻⁶ numeric value: millionth - ANSWER✔✔-metric prefix: micro | metric

symbol: µ | name the factor and numeric value.


factor: 10⁻⁹ numeric value: billionth - ANSWER✔✔-metric prefix: nano | metric symbol:

n | name the factor and numeric value.


wavelength, independent - ANSWER✔✔-DATA ANALYSIS: with a spectrophotometer:

the variable that is being manipulated or changed is the __________, which makes it the

__________ variable


vegetable extract, dependent - ANSWER✔✔-DATA ANALYSIS: with a

spectrophotometer: the variable that is being measured with the spectrophotometer is

the __________, which makes it the __________ variable




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