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Bio 170 > Exam 1 > Flashcards

Exam 1 Flashcards

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Biology 101 flashcards
1
Q

Property that allows glucose to dissolve in water

A

Polarity

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2
Q

Covalent bond polar when

A

One of the two atoms is more electronegative. One atom bullies the other to take more electrons

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3
Q

Carbohydrate

A

Molecule composed of carbon, hydrogen, and oxygen. Usually in a 1:2:1 ratio

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4
Q

Molecule composed of carbon, hydrogen, and oxygen. Usually in a 1:2:1 ratio

A

Carbohydrate

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5
Q

Ions

A

Atoms that are missing or have an extra electon

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6
Q

Isotopes

A

Atoms that have an extra, or missing neutrons to change their mass

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7
Q

Ionic Compounds

A

Compounds made of ions (donating an electron)

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8
Q

Ionic compounds ____ in aqueous solutions

A

Dissociate

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9
Q

Covalent Bond

A

Pairs of electrons are shared by atoms

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10
Q

Subatomic Particles

A

Protons, neutrons, and electrons

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11
Q

Hydrophillic

A

Mixes with water

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12
Q

Mass number

A

Protons + Neutrons

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13
Q

Broken down protein

A

monomer called amino acid

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14
Q

Why is water polar?

A

Hydrogen is positive and O is negative

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15
Q

Dehydration Syntesis

A

Monomers becoming polymers. Removing hydrogen. Amino acids bumping together.

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16
Q

RNA

A

String with R groups hanging off. Hydrogen bonds to amino aids and to DNA. Hydrogen sticks to the dangling bases.

17
Q

DNA

A

Helix

18
Q

Characteristics of life

A

Living things must be able to organize simple substances into complex ones.

19
Q

Portal Protein

A

For a molecule to diffuse in portal, it must dissolve in water.

Bio 170 (3 decks)

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