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BIO > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

What are the five criteria of a living organism?

A

Order, metabolism, sensitivity, homeostasis, growth/development/reproduction/self-repair

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2
Q

Order

A

Protons & electrons & neutrons> atoms>molecules>organelles>cell>tissues>organs>organ system>organism

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3
Q

Metabolism

A

Get energy from the environment and turn it into a useable form

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4
Q

Sensitivity

A

To sense changes in the external/internal environment.

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5
Q

Homeostasis

A

Maintaining an optimal internal environment

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6
Q

The scientific method

A

Method to test the validity of the general principal/observation, hypothesis, and experiment.

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7
Q

Hypothesis

A

Statement based on knowledge or experiencce

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8
Q

The control

A

A situation exactly the same as the experiment except for the one thing being tested. They’re given a placebo.

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9
Q

Natural selection

A

Influenced by the natural environment

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10
Q

Artificial selection

A

Due to any human involvement

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11
Q

Isotopes

A

If there are more N than P in the same element

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12
Q

Energy of electrons

A

Change in the energy state of an electron

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13
Q

Ionic chemical bonds

A

Transferred electrons

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14
Q

Covalent chemical bond

A

Shared electrons

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15
Q

Hydrophobic

A

Scared of water

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16
Q

Hydrophilic

A

Loves water

17
Q

Cohesion

A

Hydrogen bods with itself

18
Q

Adhesión

A

Hydrogen bonds with other materials

19
Q

Low density of ice

A

Ice floats

20
Q

Buffers

A

Prevent pH change

21
Q

Buffer capacity

A

The amount of H+ that can be accepted or donated

22
Q

Anabolic reactions

A

The formation of molecules by dehydration synthesis

23
Q

Catabolic reactions

A

The breakdown of molecules by hydrolysis

24
Q

Carbohydrates

A

Saccharides or sugars/ short term energy storage

25
Q

Lipids

A

Fats, oils and waxes/long term energy storage

26
Q

Nucleic acids

A

DNA & RNA

BIO (11 decks)

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