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Biology Honors > Unit 1 > Flashcards

Unit 1 Flashcards

1
Q

What is biology?

A

The study of life

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2
Q

Anedotal evidence

A

Not something very reliable, sounds more like a story

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3
Q

Causational Evidence

A

Seeing the cause, knowing the variable and controlling them

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4
Q

Seeing the cause, knowing the variable and controlling them

A

Causational evidence

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5
Q

Correlational evidence

A

Seeing the numbers, comparing, no control over variables

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6
Q

Seeing the numbers, comparing, no control over variables

A

Correlational evidence

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7
Q

Spurious meaning

A

Not reliable

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8
Q

What are isotopes

A

Dooferen forms of an element

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9
Q

What determines the atomic number

A

The number of protons

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10
Q

What determines the atomic weight

A

The protons and neutrons combined

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11
Q

What are the 6 most common elements in the body?

A

Nitrogen, oxygen, hydrogen, carbon, sulfur, and Phosphorus

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12
Q

What is a molecule

A

Two or more atoms combined together

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13
Q

What is an element

A

A molecule with two or more atoms of the same type

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14
Q

What is a compound

A

An molecule with two or more different atoms

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15
Q

What is a chemical reaction

A

Old bonds break to form new ones creating a new substance

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16
Q

Reactants

A

What is put in

17
Q

Products

A

What comes out

18
Q

What are the 3 important chemical bonds?

A

Ionic bonds
Covalent bonds
Hydrogen bonds

19
Q

What is a ionic bond

A

One atom donates an electron completely to another atom to get rid of the extra electron, completing their outer shell

20
Q

What is non-polar covalent bond

A

A bond that results from the sharing of electrons

21
Q

What is a polar covalent bond

A

One atom keeps the electrons around them making it negatively partially charged while the other atom has little to non electrons making it positively partially charged

22
Q

What is a hydrogen bond

A

A bond between molecules not the atoms

23
Q

Why do atoms bond together

A

To fill their valence electron shell

Biology Honors (14 decks)

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