Lesson Three Flashcards

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1
Q

An Ion is ….

A

A charged atom that has either gained or lost an electron

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2
Q

An ionic bond is …

A

Forms between ions that are oppositely charged

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3
Q

a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change

A

Catalyst

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4
Q

High heat inside of a cell IS possible. True or false?

A

False.

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5
Q

Hydrogen bonding is a ____ bond within molecules that results from a partial (___) charge on hydrogen and a partial (-) charge on highly electronegative atoms.

A

WEAK and + positive

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6
Q

A solvent with a solute together is called ….

A

A solution

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7
Q

Is water a good solvent for a Nonpolar covalent bond?
(Hint; bipolar will jump into water when fully clothed.)

A

No they are not

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8
Q

Specific heat is …

A

The amount of energy required to raise temperature of 1g of a substance.

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9
Q

What is a Petidoglycan?
(Hint: a DOG will eat anything)

A

Call walls of bacteria. Only some fungi can break it down.

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10
Q

Sucrose is…
(Hint: sweet)

A

Table sugar

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11
Q

Galactose is…
(Hint: Gallon)

A

Milk sugar

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12
Q

Dehydration and condensation help form and store sugars. What breaks them down?

A

Hydrolysis.

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13
Q

Monosaccharide is….
(Hint: break down the word)

A

Mono is a measurement of 1
Saccharide is sugar

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14
Q

-OSE

A

Ending word meaning sugar

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15
Q

Hydrocarbons are made of carbon and hydrogen. Thus they are ____. And they are non-polar.

A

Organic

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16
Q

Hydrocarbon chains are either horizontal links or they curve. What are the terms for these two types of chains in lipids?

A

Saturated (the straight horizontal)
Unsaturated (the zig zag)

17
Q

Butter is an example of what kind of hydrocarbon chain?

A

Saturated.

18
Q

A structure of a steroid is ….
(Hint: Ring)

A

4 fused carbon rings with functional groups.

19
Q

Cholesterol is a steroid. True or false?
(Hint: Cheetahs are fit)

A

True, and is found in animal cell
membranes

20
Q

Cholesterol is an important element in building hormones. There are three. Name them.
(Hint: mom, dad, child.)

A

Testosterone, estrogen and cortisol