Flashcards in Chapter 2 Deck (38):
Number of protons in an ion
Number of protons and neutrons
Atoms/ group of atoms which have gained or lost electrons
Positively charged ion
Negatively charged ion
Why do electrons get lost or added?
To fill up energy levels/ shells
The bond within a water molecule is
The bond between water molecules is
What are the 6 functions of water?
Transport, lubrication, universal solvent, cushion, temperature regulation, surface tension
Substances move throughout the body in water based fluids
What are some examples of water transport?
Lymph, blood, urine
Reduces friction between body surfaces
What are some examples of water lubrications?
Serous fluids in body cavities, synovial fluid in joints
Absorbs forces during sudden movements
What is an example of water cushioning?
Attraction between water molecules
Attraction between water and another substance
Substances that will dissolve in water
Substances that do not dissolve in water
Substances that partially dissolve in water
Solutes which release a hydrogen ion
Solutes which bind with hydrogen ions
Compounds that help prevent pH change
What are the 3 types of water mixtures?
Suspension, colloid, solution
Large molecules/ cells in water; separates when stationary
Medium size molecule dispersed in water; won't separate when stationary
Small molecules (solutes) dissolved in water
Mass of solute per volume of a solution
Number of moles of solute per liter of a solution
Number of particles (osmoles) per liter of solution
What are the 4 types of organic compounds?
Carbohydrates, lipids, proteins, nucleic acids
Energy source for cell
Cushioning organs, form barriers, regulates temperature energy storage, insulation
Catalyze reactions, storage, transport, support, movement
Genetic information, protein synthesis
What are some examples of carbohydrates?
Starch, glucose, fructose, lactose....
What are some examples of lipids?