chapter 2 Flashcards
Why is H2O such a good solvent?
water can stabilize positively charged things and negative charged things.
what does hydrophilic mean?
water loving (polar)
What does hydrophobic mean?
Water fearing (nonpolar)
Why do acids and bases matter?
H+ and OH- readily react with numerous molecules
What are inorganic compounds?
Compounds that do not contain carbon
What are organic compounds?
Compounds that contain both C and H
Humans are what?
organic
Why is carbon special?
It is very versatile, can make different shapes, and super stable
What is a amino?
protein, nucleic acids
What is a Hydroxyl?
alcohols, carbohydrates
What is the 4 major macromolecules?
carbohydrates, lipids, proteins, nucleic acids
What are simple carbohydrates?
monosaccharides and disaccharides
What are types of Microorganisms?
Prion, Bacteria, virus, and eukaryotes
What are prokaryotes?
Bacteria and Archaea
eukaryotes have a what?
nucleus
Prokaryotes don’t have what?
nucleus
What is the germ theory of disease?
diseases are caused by microbes
Water is what?
very important inorganic molecule
What are complex carbohydrates?
polysaccharides
What are monosaccharides?
simple sugars (glucose, fructose, galactose)
What are disaccharides?
sucrose, lactose, maltose
Glucose is what?
the key energy source in the body
What is glucose when it is stored?
Glycogen
What are polysaccharides?
long polymers of monosaccharides
What are major lipid groups?
fats, phospholipids, and steroids
What are saturated fats?
single bonds (shape: straight lines)
What are unsaturated fats?
double bonds (shape: curved)
example of saturated fat
butter at room temperature.
example of unsaturated fat
olive oil
What are complex lipids?
phospholipids and steroids
What are the classifications of microganisms?
Bacteria, archaea, Eukaryotes, protists, fungi, plants, and animals
What are three cell types?
Bacteria, archea, and eukaryotes
What is a polypeptide
Chain of amino acids
proteins are crucial by doing what task?
-catalysis
-Defense
-movement
-signaling
structure
-transport