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Bio quiz 1.2-2.2 > 2.1 - 2.2 > Flashcards

2.1 - 2.2 Flashcards

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Biology 101 flashcards
1
Q

What is the universal solvent?

A

WATER!!!!

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2
Q

What is the substance called that dissolves in a solvent?

A

Solute

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3
Q

Why do healthy adult females have slightly less total body water %?

A

Because they typically have more body fat

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4
Q

Do obese people have a higher or lower total body water % than non- obese people?

A

Lower

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5
Q

What % water is a healthy adult female and male

A

Female = 55%
Male = 60%

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6
Q

What body compartment has the most water?

A

Intercellular

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7
Q

Typical adult has about how much blood?

A

About 5L

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8
Q

Blood plasma is a part of what fluid compartment?

A

Extracellular

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9
Q

A water molecule contains 2 ___ and 1 ____ atoms that are bonded by ____ bonds

A

Oxygen
Hydrogen
Covalent bonds

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10
Q

What charge do electrons have?

A

Negative

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11
Q

In a water molecule, the electrons are pulled closer to the oxygen compared to the hydrogens
making water molecules what?

A

Polar (<3 water)

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12
Q

The hydrogen of 1 water molecule will be attracted to the oxygen of another water molecule and will form what?

A

Hydrogen bonds

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13
Q

Hydrogen bonds cause water molecules to form droplets and stay close together this is called ____

A

Surface tension

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14
Q

something that is water loving is called what?

A

hydrophilic

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15
Q

What are examples of Hydrophilic molecules?

A

Charged molecules like sodium ions or polar molecules like sugar

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15
Q

something that is water fearing is called ____

A

hydrophobic

16
Q

molecules that have both a polar and non-polar region is called?

A

Amphipathic

17
Q

What molecules are hydrophobic and don’t mix with water?

A

Lipids

18
Q

Molecules (monomers) combine to form macromolecules (polymers) by what process?

A

Dehydration Synthesis

19
Q

What process breaks down macromolecules (polymers) into smaller molecules (monomers)?

A

Hydrolysis

Bio quiz 1.2-2.2 (3 decks)

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