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Flashcards in Chapter 2 Deck (38):
1

Number of protons in an ion

Atomic number

2

Number of protons and neutrons

Atomic mass

3

Atoms/ group of atoms which have gained or lost electrons

Ions

4

Positively charged ion

Cation

5

Negatively charged ion

Anion

6

Why do electrons get lost or added?

To fill up energy levels/ shells

7

The bond within a water molecule is

polar covalent

8

The bond between water molecules is

hydrogen bond

9

What are the 6 functions of water?

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

10

Substances move throughout the body in water based fluids

Transport

11

What are some examples of water transport?

Lymph, blood, urine

12

Reduces friction between body surfaces

Lubrication

13

What are some examples of water lubrications?

Serous fluids in body cavities, synovial fluid in joints

14

Absorbs forces during sudden movements

Cushions

15

What is an example of water cushioning?

Cerebrospinal fluid

16

Attraction between water molecules

Cohesion

17

Attraction between water and another substance

Adhesion

18

Substances that will dissolve in water

Hydrophilic

19

Substances that do not dissolve in water

Hydrophilic

20

Substances that partially dissolve in water

Amphipathic

21

Solutes which release a hydrogen ion

Acid

22

Solutes which bind with hydrogen ions

Bases

23

Compounds that help prevent pH change

Buffer

24

What are the 3 types of water mixtures?

Suspension, colloid, solution

25

Large molecules/ cells in water; separates when stationary

Suspension

26

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

Colloid

27

Small molecules (solutes) dissolved in water

Solution

28

Mass of solute per volume of a solution

Mass/volume

29

Number of moles of solute per liter of a solution

Molarity

30

Number of particles (osmoles) per liter of solution

Osmolarity

31

What are the 4 types of organic compounds?

Carbohydrates, lipids, proteins, nucleic acids

32

Energy source for cell

Carbohydrates

33

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

Lipids

34

Catalyze reactions, storage, transport, support, movement

Proteins

35

Genetic information, protein synthesis

Nucleic Acids

36

What are some examples of carbohydrates?

Starch, glucose, fructose, lactose....

37

What are some examples of lipids?

triglycerides, phospholipids

38

What are some examples of proteins?

amino acids, actin, hemoglobin, myoglobin