Biology Flashcards

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1
Q

Biology

A

The study of life

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2
Q

What is the first quality of life?

A

Growth, healing, replacement

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3
Q

What is the second quality of life?

A

Reproduction

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4
Q

What is the third quality of life?

A

Organization

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5
Q

What is the fourth quality of life?

A

Response

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6
Q

What is the fifth quality of life?

A

Requires Energy

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7
Q

Step one of the Scientific Method

A

define the problem or ask a question

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8
Q

Step two of the Scientific Method

A

Research, what do we already know?

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9
Q

Step three of the Scientific Method

A

Form a hypothesis

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10
Q

What is a hypothesis?

A

A simple, testable, statement that’s easy to understand and that predicts the outcome

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11
Q

Step four of the Scientific Method

A

Test your hypothesis

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12
Q

Step five of the Scientific Method

A

State your conclusions

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13
Q

Biogenesis

A

Life can only come from life

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14
Q

Chemistry

A

The study of matter

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15
Q

Cells

A

The smallest living building block of life

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16
Q

What are cells made of?

A

Elements

17
Q

What are elements made of?

A

Atoms

18
Q

What are the three parts of an Atom?

A

Protons, Neutrons, and Electrons

19
Q

When are Atoms most stable?

A

When their valence shell is filled (usually 8 electrons)

20
Q

Ionic bond

A

The force connecting a positive atom with a negative atom

21
Q

Covalent bond

A

The force between two or more atoms sharing electrons in their valence shells

22
Q

Polar or non-polar bonding

A

The overall charge sometimes created by the pull on electrons by atoms

23
Q

Chemical reaction

A

Atoms coming together or breaking apart

24
Q

What is a theory?

A

After a lot of information has been gathered that supports a hypothesis it becomes a theory.

25
Q

What are the three states water exists in?

A

Solid, Liquid and Gas

26
Q

When water freezes it does what?

A

Becomes less dense and floats

27
Q

What is organic chemistry?

A

The study of carbon-containing compounds

28
Q

What are the four most important molecules related to cells? And what do they all contain?

A

Carbohydrates, Lipids, Proteins, and Nucleic Acid. They all contain Carbon

29
Q

Carbohydrates are mainly found where?

A

Fruits, vegetables, and grains

30
Q

Lipids are used in cells for

A

Energy, storage, and insulation

31
Q

What is the first law of thermodynamics?

A

Matter cannot be created or destroyed, but can be converted from one form to another.

32
Q

What is the second law of thermodynamics?

A

Entropy (disorder): given enough time all things wear out and fall apart.

33
Q

An Enzyme…

A

A type of protein that speeds up or slows down a chemical reaction

34
Q

Lipids

A

Fats, waxes and steroids

35
Q

Carbohydrates

A

Give energy to living cells, provide structure to plants, fungi, and insects

36
Q

Proteins are formed by

A

Amino Acids

37
Q

Proteins

A

Form the structure of tissues and organs. Each protein folds into a unique shape.

38
Q

Nucleic Acids

A

Form DNA or RNA