chemical reaction in which two molecules become covalently bonded to one another with the removal of a water molecule
What is dehydration synthesis?
100
disaccharide made up of glucose and glucose
What is maltose?
100
sequence of food transfer up the trophic levels
What is a food chain?
100
Clinging of water to other polar molecules?
What is adhesion?
100
+/- relationship in which one species derives nourishment from the host it lives in or on
What is parasitism?
200
level of protein structure hat is dependent on hydrogen bonds and leads to regular local patterns of coils and folds of a polypeptide chain
What is secondary structure?
200
Major lipid component of cell membranes
What are phospholipids?
200
Underground collection of water.
What is an aquifer?
200
on the periodic table, determines the atom's identity
What is the atomic number (which is the number of protons)?
200
Defined by two components: species richness and species abundance.
What is species diversity?
300
triglyceride that serves as energy storage for animals
What is a fat?
300
Two functional groups bonded to the central carbon in a polypeptide's monomer.
What are the amino group (NH2) and carboxyl group (COOH)?
300
What is cycled between organic matter and abiotic reservoirs.
What are chemicals (water, nitrogen, carbon...phosphorus)?
300
Bond that occurs when two atoms "share" atoms with similar electronegativities.
What is a nonpolar bond.
300
Type of succession in which a disturbance has destroyed an existing biological community but left soil intact.
What is secondary succession? (grasses, shrubs, trees)
400
structural polysaccharide used by insects and crustaceans to build their exoskeleton
What is chitin?
400
four macromolecules
What are carbohydrates, proteins, lipids, and nucleic acids?
400
energy releasing chemical breakdown of food that releases CO2 into the atmosphere
What is cellular respiration?
400
Helps preventing you from overheating.
What is evaporative cooling? (Sweating and evaporation of water removes heat)
400
Two limiting nutrients
What is nitrogen and phosphorus?
500
Four things that are different between cellulose and glycogen
What is glycogen is a polysaccharide that animals use for energy storage, whereas cellulose is a polysaccharide used for plants for structure in cell wall; glycogen is made of alpha glucose and cellulose is made of beta glucose; glycogen is branched whereas cellulose is linear; humans can break down glycogen and can't break down cellulose
500
The names of the bonds in a disaccharide, triglyceride, and dipeptide.
What are glycosidic bonds, ester bonds, and peptide bonds?
500
In the nitrogen cycle, what decomposers create from dead organisms.
What is ammonium (NH4)?
500
Because water forms stable hydrogen bonds when cold, water possesses this special property
What is ice floats? (solid is less dense than liquid)
500
Species who has the greatest number in a community.