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BMS 250 > Chapter 2 > Flashcards

Chapter 2 Flashcards

1
Q

Number of protons in an ion

A

Atomic number

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2
Q

Number of protons and neutrons

A

Atomic mass

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3
Q

Atoms/ group of atoms which have gained or lost electrons

A

Ions

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4
Q

Positively charged ion

A

Cation

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5
Q

Negatively charged ion

A

Anion

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6
Q

Why do electrons get lost or added?

A

To fill up energy levels/ shells

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7
Q

The bond within a water molecule is

A

polar covalent

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8
Q

The bond between water molecules is

A

hydrogen bond

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9
Q

What are the 6 functions of water?

A

Transport, lubrication, universal solvent, cushion, temperature regulation, surface tension

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10
Q

Substances move throughout the body in water based fluids

A

Transport

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11
Q

What are some examples of water transport?

A

Lymph, blood, urine

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12
Q

Reduces friction between body surfaces

A

Lubrication

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13
Q

What are some examples of water lubrications?

A

Serous fluids in body cavities, synovial fluid in joints

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14
Q

Absorbs forces during sudden movements

A

Cushions

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15
Q

What is an example of water cushioning?

A

Cerebrospinal fluid

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16
Q

Attraction between water molecules

A

Cohesion

17
Q

Attraction between water and another substance

A

Adhesion

18
Q

Substances that will dissolve in water

A

Hydrophilic

19
Q

Substances that do not dissolve in water

A

Hydrophilic

20
Q

Substances that partially dissolve in water

A

Amphipathic

21
Q

Solutes which release a hydrogen ion

A

Acid

22
Q

Solutes which bind with hydrogen ions

A

Bases

23
Q

Compounds that help prevent pH change

A

Buffer

24
Q

What are the 3 types of water mixtures?

A

Suspension, colloid, solution

25
Q

Large molecules/ cells in water; separates when stationary

A

Suspension

26
Q

Medium size molecule dispersed in water; won’t separate when stationary

A

Colloid

27
Q

Small molecules (solutes) dissolved in water

A

Solution

28
Q

Mass of solute per volume of a solution

A

Mass/volume

29
Q

Number of moles of solute per liter of a solution

A

Molarity

30
Q

Number of particles (osmoles) per liter of solution

A

Osmolarity

31
Q

What are the 4 types of organic compounds?

A

Carbohydrates, lipids, proteins, nucleic acids

32
Q

Energy source for cell

A

Carbohydrates

33
Q

Cushioning organs, form barriers, regulates temperature energy storage, insulation

A

Lipids

34
Q

Catalyze reactions, storage, transport, support, movement

A

Proteins

35
Q

Genetic information, protein synthesis

A

Nucleic Acids

36
Q

What are some examples of carbohydrates?

A

Starch, glucose, fructose, lactose….

37
Q

What are some examples of lipids?

A

triglycerides, phospholipids

38
Q

What are some examples of proteins?

A

amino acids, actin, hemoglobin, myoglobin

BMS 250 (23 decks)

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