ap bio part 1 review

studied byStudied by 19 people
5.0(1)
get a hint
hint

Radioactive Isotope

1 / 147

148 Terms

1

Radioactive Isotope

One in which the nucleus decays spontaneously, giving off particles and energy. Can decay to a different element. Have useful applications.

New cards
2

Energy

Capacity to cause change

New cards
3

Potential Energy

Energy matter possesses because of its location or structure. Electrons have this based on distance from nucleus.

New cards
4

Electron Shells

Where electrons are found, each with characteristic average distance and energy level. Electrons can change these by absorbing or losing energy.

New cards
5

Valence Electrons

Electrons in the outermost shell.

New cards
6

Chemical Bonds

The attraction that holds atoms together during an interaction.

New cards
7

Covalent Bond

Sharing of a pair of valence electrons by two atoms.

New cards
8

Molecule

Two or more atoms held together by covalent bonds.

New cards
9

Single Bond

One pair of shared electrons.

New cards
10

Structural Formula

H--H. Notation which represents both atoms and bonding.

New cards
11

Double Bond

Sharing two pairs of valence electrons.

New cards
12

Valence

Bonding capacity. Equal to the number of unpaired electrons required to complete the outermost (valence) shell.

New cards
13

Electronegativity

The attraction of a particular kind of atom for the electrons of a covalent bond.

New cards
14

Nonpolar Covalent Bond

Covalent bond in which electrons are shared equally.

New cards
15

Polar Covalent Bond

Where one atom is bonded to a more electronegative atom and the electrons of the bond are not shared equally.

New cards
16

Ionic Bonds

The attraction of cations and anions. The transfer of electrons creates ions which form an ionic bond.

New cards
17

Ion

A charged atom.

New cards
18

Cation

A positively charged atom.

New cards
19

Anion

A negatively charged atom.

New cards
20

Ionic Compounds

Or Salts. Compounds formed by ionic bonds.

New cards
21

Hydrogen Bond

When a hydrogen atom covalently bonded to an electronegative atom is also attracted to another electronegative atom.

New cards
22

van der Waals Interactions

Ever changing regions of positive and negative charge that enable all atoms and molecules to stick to one another.

New cards
23

Molecular Shape

Determines how biological molecules recognize and respond to one another.

New cards
24

Reactants

The starting materials of a chemical reaction.

New cards
25

Products

The resulting material of a chemical reaction.

New cards
26

Chemical Equilibrium

The point at which the relative concentrations of the products and the reactants stop changing and offset one another exactly.

New cards
27

organic chemistry

The study of carbon & hydrogen compounds (organic compounds).

New cards
28

carbon

this atom has 4 electrons in valence shell and can form 4 covalent bonds with other atoms

New cards
29

hydrocarbon

An organic molecule consisting only of carbon and hydrogen.

New cards
30

isomer

One of several compounds with the same molecular formula but different structures and therefore different properties. The three types are structural, geometric, and enantiomers.

New cards
31

structural isomer

One or several compounds that have the same molecular formula but differ in the covalent arrangement of their atoms. (DIFFERENT SHAPE)

New cards
32

geometric isomer

One of several compounds that have the same molecular formula and covalent bonds between atoms but differ in the spatial arrangements of their atoms owing to the inflexibility of double bonds (DIFFERENT ARRANGEMENT)

New cards
33

enantiomer

One or two compounds that are mirror images of each other and that differ in shape due to the presence of an asymmetric carbon. (MIRROR IMAGE)

New cards
34

estradiol

A steroid hormone that stimulates the development and maintenance of the female reproductive system and secondary sex characteristics; the major estrogen in mammals.

New cards
35

testosterone

Asteroid hormone required for development of the male reproductive system, spermatogenesis, and male secondary sex characteristics; the major androgen in mammals.

New cards
36

functional groups

A specific configuration of atoms commonly attached to the carbon skeletons of organic molecules and involved in chemical reactions.

New cards
37

hydroxyl group

A chemical group consisting of an oxygen atom joined to a hydrogen atom. Molecules possessing this group are soluble in water and are called alcohols.

New cards
38

ketone group

A chemical group consisting of a carbon double bonded to oxygen (must be in middle of chain)

New cards
39

ester group

A chemical group consisting of a carbon double bonded to oxygen and single bonded to another oxygen (must be in middler of chain)

New cards
40

aldehyde group

A chemical group consisting of a carbon double bonded to oxygen and single bonded to hydrogen (must be at end of chain)

New cards
41

carboxyl group

A chemical group consisting of a single carbon atom double-bonded to an oxygen atom and also bonded to a hydroxyl group

New cards
42

ionized carboxyl group

A chemical group consisting of a single carbon atom double-bonded to an oxygen atom and also bonded to a negatively charged oxygen

New cards
43

amino group

A chemical group consisting of a nitrogen atom bonded to two hydrogen atoms can act as a base in solution, accepting a hydrogen ion and acquiring a charge of 1⁺

New cards
44

sulfhydryl group

A chemical group consisting of a sulfur atom bonded to a hydrogen atom.

New cards
45

phosphate group

A chemical group consisting of a phosphate atom bonded to four oxygen atoms; important in energy transfer.

New cards
46

Carbohydrates, proteins, lipids, and nucleic acids

Name the 4 types of macromolecules

New cards
47

Metabolism

All the chemical conversions that occur within a cell

New cards
48
New cards
49

Metabolism = anabolism + catabolism

New cards
50

Catabolism

Conversion of complex organic molecules into smaller molecules by breaking chemical bonds

New cards
51

Anabolism

Conversion of small organic molecules by forming chemical bonds between smaller molecules

New cards
52

Hydrolysis

Pocess that is the reverse of dehydration synthesis. In __________, or water breakage, the bond between monomers is broken by the addition of a water molecule.

New cards
53

Dehydration synthesis

Reaction in which two molecules are covalently bonded, with the loss of a water molecule

New cards
54

Polymers

Long molecules consisting of many similar or identical building blocks linked by covalent bonds.

New cards
55

Glycosidic linkage

In carbohydrates, monosaccharides are joined together in a covalent bond called __________ _______.

New cards
56

Monosaccharides

Carbohydrates are made up of _______________.

New cards
57

Monosaccharide

The monomer in a carbohydrate is a(n) ______________.

New cards
58
New cards
59

EX: Glucose

New cards
60

Disaccharide

Two monosaccharides covalently bonded form a ____________.

New cards
61
New cards
62

EX: Sucrose

New cards
63

Polysaccharide

Three or more monosaccharides linked together form a ______________.

New cards
64

Glycosidic linkage

The bond in a carbohydrate is a(n) __________ _______.

New cards
65

Chitin; cellulose

Two examples of structural carbohydrates are ______ and _________.

New cards
66

Cellulose

Polymer of β glucose monomers that is found in plant cell walls

New cards
67

Glycogen; starch

Stored carbohydrate in an animal is called ________; in a plant, it is ______.

New cards
68

α glucose

Starch and glycogen are polymers of ________ molecules.

New cards
69

Polymers

Lipids are the only large biological molecules that do not form __________.

New cards
70

Lipids

Cushioning of organs, insulation, and energy storage are three functions of ___________.

New cards
71

Glycerol; fatty acid chains

Triglyceride is composed of a ______ and three ____ _____ ______.

New cards
72

Unsaturated fats

Fats with one or more double covalent bonds, which is less likely to solidify and more flexible.

New cards
73

Phospholipid

Basic structural component of cell membranes, with a polar/hydrophilic head region and a nonpolar/hydrophobic tail region, giving membranes their selective permeability.

New cards
74

Steroid

Lipid characterized by a carbon skeleton consisting of hydrogen-fused rings.

New cards
75

HDL

Good cholesterol is called ___ ____________.

New cards
76
New cards
77

HINT: Keep your ____ HIGH :-)

New cards
78

LDL

The bad cholesterol, which can harden in arteries.

New cards
79
New cards
80

HINT: Keep your ____ LOW :-)

New cards
81

Ester linkage

In a triglyceride, the ---OH of glycerol loses a H and the ---COOH of the fatty acid chain loses a ---OH which joins to form water in a(n) _____ _______.

New cards
82

Amino acid

The monomer in a protein is a(n) _____ ____.

New cards
83

Amino; carboxyl; R

Amino acids are formed of a(n) _____ group with a(n) ________ group and a(n) _ group side chain.

New cards
84

20

# different amino acids which can assemble according to genetic code to make different proteins.

New cards
85

Peptide

In a _______ bond, the ---COOH group in one amino acid loses an ---OH and the ---NH2 group in another amino acid loses a H.

New cards
86

Polypeptide

The polymer in a protein is a(n) ___________.

New cards
87

3D structure

The amino acid sequence ultimately determine the __ _________ of proteins.

New cards
88

Structure

A protein's _________ determines its function.

New cards
89

Primary

At the _______ level of protein structure, a linear sequence of amino acids is joined by peptide bonds to form a polypeptide.

New cards
90

Secondary

At the _________ level of protein structure, hydrogen bonds form between the partial positive hydrogen atom of amine groups and the partial negative oxygen atom of carboxyl groups.

New cards
91

β Pleated Sheet

__ ___________ ______________ are a secondary structure found in proteins.

New cards
92

α Helix

___ ___________ are a secondary structure found in proteins.

New cards
93

Tertiary

At the ________ level of protein structure, various chemical associations in precise regions of a polypeptide cause it to fold into a 3D shape that will determine its function.

New cards
94

Quaternary

At the __________ level of protein structure, 2 to 4 completely formed polypeptides combine.

New cards
95

Sickle cell anemia

In this disease, one amino acid at the primary level (valine) replaces glutamic acid and the result is a distorted shape at the subsequent levels.

New cards
96

Hormonal

Insulin and glucagon are examples of _________ proteins.

New cards
97

Receptor

________ proteins are embedded in all membranes and allow cells to interact with molecules and other cells.

New cards
98

Contractile/Movement

___________ proteins, such as actin and myosin, are found in muscle cells.

New cards
99

Transport

_____________ proteins move molecules into and out of cells.

New cards
100

Defensive

_________ proteins, like antibodies, are produced in response to antigens and bind to them.

New cards

Explore top notes

note Note
studied byStudied by 1 person
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 8 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 2495 people
Updated ... ago
4.7 Stars(18)
note Note
studied byStudied by 9 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 1 person
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 74 people
Updated ... ago
4.0 Stars(1)
note Note
studied byStudied by 7 people
Updated ... ago
5.0 Stars(2)
note Note
studied byStudied by 6 people
Updated ... ago
5.0 Stars(1)

Explore top flashcards

flashcards Flashcard89 terms
studied byStudied by 9 people
Updated ... ago
5.0 Stars(2)
flashcards Flashcard34 terms
studied byStudied by 334 people
Updated ... ago
5.0 Stars(2)
flashcards Flashcard94 terms
studied byStudied by 31 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard30 terms
studied byStudied by 24 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard188 terms
studied byStudied by 9 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard45 terms
studied byStudied by 27 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard174 terms
studied byStudied by 24 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard33 terms
studied byStudied by 1780 people
Updated ... ago
4.6 Stars(29)