ULTIMATE AP Biology Exam Review; Questions &
Answers Latest Update 100% Solved
Define the following: isotope, valence shell, covalent bond, ionic bond Correct answerIsotope- one of several atomic forms of an element, each with the same # of protons, but
different number of neutrons
Valence ...
ULTIMATE AP Biology Exam Review; Questions &
Answers Latest Update 100% Solved
Define the following: isotope, valence shell, covalent bond, ionic bond Correct answer-
Isotope- one of several atomic forms of an element, each with the same # of protons, but
different number of neutrons
Valence shell- the outermost energy shell of an atom, containing valence electrons involved in
chemical reactions
Covalent bond- bond where the electrons are shared
Ionic bonds- a chemical bond resulting from the attractions between oppositely charged ions
Hydrogen bonds result in.... pH is... Correct answer-Hydrogen bonds result in a weak,
polar, and covalent bond between a H+ and a negative ion.
pH is the measure of hydrogen ion concentration
How many covalent bonds can carbon form? Correct answer-4 bonds
Hydrogen bonds form between... Correct answer-a H+ and a negative ion
pH is a measure of.... What is a buffer? Correct answer-pH is a measure of ion
concentration
A buffer minimizes the changes in a solution when acids and bases are added
What are the differences between catabolic and anabolic reactions? Correct answer-
Catabolic reactions break down complex molecules and anabolic reactions build them up.
What is an isomer? Define structural, geometric, and stereoisomers? Correct answer-An
isomer is when different compounds the same molecular formula but different structure. A
structural isomer is an isomer that has different covalent arrangements of their atoms;
geometric isomers have the same covalent bonds but differ in spacial arrangment; enatimors
mirror images of each other
Name the following functional groups: -OH -C=O -COOH -NH2 -SH -OPO3 Correct answer-
Hydroxyl; carbonyl; carboxyl; amino; sulfhydryl; phosphate
What is the general formula for a monosaccharide?
What is the function of monosaccharides?
What are polysaccharides?
What are the differences between glycogen, starch, cellulose, and chitin? Correct answer-
C1H2O1
energy storage and structural support
, ULTIMATE AP Biology Exam Review; Questions &
Answers Latest Update 100% Solved
Chain of monosaccarides
Starch (plants) and glycogen (animals) store energy in carbohydrate form, whereas cellulose
(plant wall) and chitin (exoskeleton) provide structural support.
What are the structural components of fats, phospholipids, steroids?
Fats store....
Phospholipids form....
Steroids may function as.... Correct answer-Made up of a glyceral moleucule and three
fatty acids which include hydrocarbon chains that are nonpolar.
Fats store energy and store twice as many calories/gram as carbohydrates
Phospholipids form the bilayer of cell membranes
Steroids function as a means to liquify the cell membrane to increase permeability and can act
as a hormone
Proteins are polymers of...... joined by.... Correct answer-amino acids.......peptide bonds
Describe primary, secondary, tertiary, and quaternary structure of proteins Correct
answer-primary the linkage of amino acids; secondary 3D as a result of hydrogen bonding and
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