Cell Biology Chapter 3

Water

What is the only common substance to exist in the natural environment in all three physical states of matter?

How much of Earth's surface does water cover?

What is the rare property of water?

Terrestrial life

cells

How do polar covalent bonds in water molecules result in hydrogen bonding?

polar molecule

hydrogen bond

hydrogen bonding

hydrogen bonds in liquid form

What are the four emergent properties of water that contribute to Earth's suitability for life?

cohesion

adhesion

surface tension

How does water moderate temperature?

kinetic energy

Heat

temperature

Which contains more heat and why?
A swimming pool
OR
A pot of coffee

when two objects come together that aren't the same temperature

How does ice cool a drink?

At sea level, what is the freezing point of water?
boiling point?

what is the average human body temperature?
room temperature?

calorie
(cal)

Kilocalorie
(kcal)

Joule
(J)

specific heat

what is the specific heat of water?

heat in relation to hydrogen bonds

Why is the specific heat of water so high?

Why do the coasts have higher climates?

What stabilizes ocean (and body) temperatures?

evaportaion

Why do molecules of liquid stay close together?

heat of vaporization

why does water have a high heat of vaporization?

evaporation cooling

Why does ice float in liquid?

When is water at its GREATEST density?

How can life exist below a frozen surface?

solution

solvent

Water is the 'Universal Solvent'.
True or False

solute

aqueous solution

hydration shell

Does a compound need to be ionic to dissolve in water?
Why?

hydrophilic

colloid

hydrophobic

why are the major ingredients of cell membranes hydrophobic?