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Biology > lab 1 > Flashcards

lab 1 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

The study of life

A

Biology

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2
Q

A molecule that releases hydrogen ions in solution

A

Acid

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3
Q

A logarithmic scale that indicates the concentration of hydrogen ions. the scale goes from 0-14, with zero representing high concentration of H+ ions(acidic) and 14 representing lowest concentration (base)

A

pH Scale

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4
Q

movement of water across membranes to balance solute concentrations. water diffuses from a solution that is hypotonic

A

Osmosis

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5
Q

A logical process that argues from a specific instances to a general conclusion

A

Inductive Reasoning

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6
Q

Refers to process that occurs in the presence of oxygen; a form of metabolism that does require oxygen

A

Aerobic Process

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7
Q

Those organisms that do not require oxygen

A

Anaerobic Organisms

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8
Q

Refers to a process that occurs in the absence of oxygen; a form of metabolism that does not require oxygen.

A

Anaerobic Process

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9
Q

Variable that is being manipulated by the researcher in a scientific experiment

A

Independent variable

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10
Q

In biology a proposed explanation for a natural phenomenon based on previous observations or experimental studies

A

Hypothesis

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11
Q

The bio membrane that separated the internal contents of a cell form its external environment

A

Plasma Membrane

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12
Q

A molecule containing significant numbers of polar bonds

A

Polar molecule

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13
Q

Result expected from a particular test of a hypothesis if the hypothesis were true

A

Prediction

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14
Q

series of steps to test the validity of a hypothesis This approach often involves a comparison between control and the experimental groups

A

Scientific Method

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15
Q

A branch of mathematics that estimates the reliability of data

A

Statistics

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16
Q

a substance dissolved in a liquid

A

Solute

17
Q

A liquid that contains one or more dissolved solutes

A

Solution

18
Q

Concentration of hydrogen ions in a solution expressed usually in moles per liter or the pH units

A

Hydrogen Ion Concentration

19
Q

A WEAK chemical attraction between a partially positive hydrogen atom of a polar molecule and a partially negative atom of another polar molecule

A

Hydrogen Bond

20
Q

Response, any variable that responds or could respond, to changes in an independent variable

A

Dependent variable

21
Q

In a solution, the process that occurs when a solute moves from a region of high concentration to a region of lower concentration

A

Diffusion

22
Q

a molecule that when dissolved in water lowers the H+ concentration.

A

base

23
Q

The sample in an experiment that is treated just like an experimental group

A

Control Groups

24
Q

Loss of water

A

Dehydration

25
Q

Facts and statistics collected together for reference or analysis

A

data

26
Q

Making a prediction about an outcome of a test

A

Deductive Reasoning

27
Q

The tendency to attract electrons to form a chemical bond

A

Electronegative

Biology (6 decks)

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