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Study sets matching "molecules of life chapter 2"

9 terms
Chapter 2: Molecules of Life
Chemical Components of the Cell
Functional Groups
Major Classes of Biological Molecules…
Carbohydrates
-Organic compounds: always contain carbon and hydrogen... -Inorg…
-biological molecules interact by means of functional groups…
1. Carbohydrates ... 2. Lipids ... 3. Proteins... 4. Nucleic Acid
-Example: glucose C6H12O6... -Contain: C,H,O ... - H:O ratio: 2:1 (…
Chemical Components of the Cell
-Organic compounds: always contain carbon and hydrogen... -Inorg…
Functional Groups
-biological molecules interact by means of functional groups…
62 terms
Chapter 2 Molecules of life
Atomic Number
Charge
Electron
Isotopes
number of protons in the atomic nucleus; determines the eleme…
Electrical property; opposite charges attract and like charge…
Negatively charged subatomic particle.
Forms of an element that differ in the number of neutrons the…
Atomic Number
number of protons in the atomic nucleus; determines the eleme…
Charge
Electrical property; opposite charges attract and like charge…
17 terms
Chapter 2: Molecules of life
_______—pure substance that contains o…
Living things are mostly composed of 6…
Atom
number of protons equal
element
carbon, oxygen, hydrogen, sulfur, nitrogen, and phosphorus
atomic number
_______—pure substance that contains o…
element
Living things are mostly composed of 6…
carbon, oxygen, hydrogen, sulfur, nitrogen, and phosphorus
28 terms
Chapter 2 The molecules of Life
Carbohydrates
Lipids
Proteins
Nucleic Acids
includes sugars and starches
includes fats phospholipids, oils and steroids
consisting of 20 amino acids
building blocks for DNA and RNA
Carbohydrates
includes sugars and starches
Lipids
includes fats phospholipids, oils and steroids
37 terms
Chapter 2: Molecules of Life
Covalent bond
Double bond
Electronegativity
Polar covalent bond
Bond where atoms share electrons
Two adjacent atoms share 2 pairs of electrons
Difference in the ability of atoms to attract electrons
When electrons are unequally shared
Covalent bond
Bond where atoms share electrons
Double bond
Two adjacent atoms share 2 pairs of electrons
63 terms
Chapter 2: Molecules of life
Amino Acid
Atom
Neutrons
Protons
A subunit of a protein
The basic unit of matter. Made of protons, neutrons and elect…
uncharged particles. The neutrons and protons make up the nuc…
Positively Charged Particles. Number of protons and electrons…
Amino Acid
A subunit of a protein
Atom
The basic unit of matter. Made of protons, neutrons and elect…
45 terms
Chapter 2- Molecules of Life
Atomic mass
Isotopes
Ions
Orbital
Number of protons + number of neutrons in an atom
Atoms of the same element that have a different number of neu…
Electrically charged atoms
The region of space that electrons occupy
Atomic mass
Number of protons + number of neutrons in an atom
Isotopes
Atoms of the same element that have a different number of neu…
31 terms
chapter 2 - the molecules of life
chemistry
atom
matter
elements
study of matter
the fundamental unit of matter
1. anything that takes up space and has weight/mass... 2. made u…
pure substances that can not be broken down further... - 92 natu…
chemistry
study of matter
atom
the fundamental unit of matter
46 terms
Chapter 2: Molecules Of Life
Matter
Atom
Properties of atoms
Basic four different macro molecules a…
All tangible material that occupy space and have mass
A tiny particle that cannot be subdivided into smaller substa…
1) Protons (p+): positively charged, found in the nucleus.... 2)…
1) Proteins... 2) Carbohydrates... 3) Nucleic acids... 4) Lipids
Matter
All tangible material that occupy space and have mass
Atom
A tiny particle that cannot be subdivided into smaller substa…
20 terms
Chapter 2 - The Molecules of Life
adenosine triphosphate
macromolecules
Subunits join together by dehydration…
Subunits break apart by hydrolysis
energy currency of a cell... - phosphates have high energy bonds…
large molecules (polymers) ... 1. Protein... 2. Carbohydrates... 3. Li…
removing H20 to build units
adding H20 to break down units & bonds
adenosine triphosphate
energy currency of a cell... - phosphates have high energy bonds…
macromolecules
large molecules (polymers) ... 1. Protein... 2. Carbohydrates... 3. Li…
25 terms
chapter 2 : molecules of life
what are the subatomic particles that…
what are the subatomic particles that…
where are the electrons located in an…
what does the atomic mass contain?
- protons (+), neutrons (neutral), and electrons (-)
- protons and neutrons
- they are in the space surrounding the nucleus
- protons and neutrons
what are the subatomic particles that…
- protons (+), neutrons (neutral), and electrons (-)
what are the subatomic particles that…
- protons and neutrons
111 terms
Chapter 2. The Molecules of Life
Element
Atom
Nucleus (of an atom)
Proton
A pure substance, such as oxygen, copper, gold, or sodium, th…
The basic unit of matter
The dense central part of an atom containing protons and neut…
A positively charged particle in the atomic nucleus
Element
A pure substance, such as oxygen, copper, gold, or sodium, th…
Atom
The basic unit of matter
60 terms
Chapter 2 - Molecules of life
the most stable when the outer orbital…
are formed when atoms bond together... A.…
types of chemical bonds... A. Covalent bo…
sharing electrons between atoms. Creat…
A. atoms
B. Molecules
A. all of the above
A. Covalent
the most stable when the outer orbital…
A. atoms
are formed when atoms bond together... A.…
B. Molecules
60 terms
Chapter 2 - Molecules of Life
atom
atomic number
charge
electron
Particle that is a fundamental building block of matter.
Number of protons in the atomic nucleus; determines the eleme…
Electrical property of some subatomic particles. Opposite cha…
Negatively charted subatomic particle that occupies orbitals…
atom
Particle that is a fundamental building block of matter.
atomic number
Number of protons in the atomic nucleus; determines the eleme…
22 terms
Chapter 2: The Molecules of Life
What is a chemical bond?
What are the types of chemical bonds?
what is an ionic bond?
what is a covalent bond?
a force holding atoms together
ionic bonds... covalent bonds... polar covalent bonds
a bond with metal and non metal
a bond with two non metals
What is a chemical bond?
a force holding atoms together
What are the types of chemical bonds?
ionic bonds... covalent bonds... polar covalent bonds
11 terms
Chapter 2 Molecules of life p. 31
Cohesion
Concentration
Evaporation
Hydrogen Bond
Property of substance that arises from the tendency of its mo…
Amount of solute per unit volume of solution.
Transition of a liquid to a vapor.
Attraction between a covalently bonded hydrogen atom and anot…
Cohesion
Property of substance that arises from the tendency of its mo…
Concentration
Amount of solute per unit volume of solution.
45 terms
Chapter 2: molecules of life
Molecule
Chemical Bond
Valence Electrons
Molecular Orbital
2+ atoms attached together
Any form of attraction between atoms that holds them together.
The electrons farthest from the nucleus, which are at the hig…
A merged orbital traversed by a pair of shared electrons. The…
Molecule
2+ atoms attached together
Chemical Bond
Any form of attraction between atoms that holds them together.
22 terms
Chapter 2: The Molecules of Life
Element
Atom
Proton
Neutron
substances that have unique chemical properties & cannot be b…
Basic unit of all matter
positively charged particles
uncharged particles
Element
substances that have unique chemical properties & cannot be b…
Atom
Basic unit of all matter
88 terms
Chapter 2 the molecules of life
Elements
Each atom contain one type of atom
Atoms consist
Nucleus has
pure substances that cannot be broken down any farther. Earth…
the basic unit of matter
of proton, neutron, and electron
proton positive charged and neutrons electrically neutral par…
Elements
pure substances that cannot be broken down any farther. Earth…
Each atom contain one type of atom
the basic unit of matter
62 terms
Chapter 2: The Molecules of Life
Amino Acid
Atom
Carbohydrate
Covalent Bond
Subunit of a protein
Basic unit of matter
Compound containing principally carbon, hydrogen, and oxygen,…
Strong chemical bond between two atoms that share electrons
Amino Acid
Subunit of a protein
Atom
Basic unit of matter
48 terms
The molecules of Life Chapter 2
the study of atoms and molecules
neutron, proton, electron
one type of atom
two or more atoms
Chemistry
Atom
Element
Molecule
the study of atoms and molecules
Chemistry
neutron, proton, electron
Atom
35 terms
Chapter 2- The Molecules of Life
Isotopes
Molecules
Chemical Bond
Valence Electrons
Atoms of the same element that have different number of neutr…
A substance made up of two or more atoms
Any form of attraction between atoms that holds them together
The electrons farthest from the nucleus, which are at the hig…
Isotopes
Atoms of the same element that have different number of neutr…
Molecules
A substance made up of two or more atoms
75 terms
Chapter 2: Molecules of Life
Atoms can be split into what
Number of atoms is always equal to what
Where does the atomic number come from
The number of protons is constant (tru…
Sub-atomic particels
Number of protons
Number of protons
True
Atoms can be split into what
Sub-atomic particels
Number of atoms is always equal to what
Number of protons
23 terms
Chapter 2: molecules of life, lipids
four organic macromolecules
roles of carbohydrates
polysaccharides
monosaccharides
1. carbohydrates... 2. lipids... 3. proteins ... 4. nucleic acids (DNA…
-short-term energy storage... -simple and complex
-made of monosaccharide subunits ... -glycogen (excess sugar in…
1 carbon ring... glucose, fructose
four organic macromolecules
1. carbohydrates... 2. lipids... 3. proteins ... 4. nucleic acids (DNA…
roles of carbohydrates
-short-term energy storage... -simple and complex
96 terms
Microbiology: Chapter 2: The Molecules of Life
Atom: the basic unit of all matter... (pr…
atom
protons
electrons
Describe the structure of an atom and its three main componen…
the basic unit of all matter
positively charged particles
negatively charged particles
Atom: the basic unit of all matter... (pr…
Describe the structure of an atom and its three main componen…
atom
the basic unit of all matter
38 terms
Chapter 2 - The Molecules of Life
Carbohydrates
Lipids
Proteins
Nucleic acids
Sugars and Starches
Fats, phospholipids, oils, steroids
20 amino acids
Building blocks for DNA and RNA
Carbohydrates
Sugars and Starches
Lipids
Fats, phospholipids, oils, steroids
12 terms
Chapter 2 molecules of life
Atom
Charge
Electron
Proton
Fundamental building block of all substances
Electrical property of some subatomic particles
Negatively charged subatomic particle that occupies orbitals…
Positively charged subatomic particle found in the nucleus of…
Atom
Fundamental building block of all substances
Charge
Electrical property of some subatomic particles
10 terms
Chapter 2 Molecules of life p. 37
Fat
Fatty acid
Lipid
Lipid Bilayer
Substance that consists mainly of triglycerides.
Organic compound with an acidic carboxyl group "head" and a l…
Fatty, oily, or waxy organic compound.
Double layer of lipids arranged tail-to-tail; structural foun…
Fat
Substance that consists mainly of triglycerides.
Fatty acid
Organic compound with an acidic carboxyl group "head" and a l…
80 terms
Chapter 2 - Molecules of Life
atom
atomic number
charge
electron
Particle that is a fundamental building block of matter.
Number of protons in the atomic nucleus; determines the eleme…
Electrical property of some subatomic particles. Opposite cha…
Negatively charted subatomic particle that occupies orbitals…
atom
Particle that is a fundamental building block of matter.
atomic number
Number of protons in the atomic nucleus; determines the eleme…
10 terms
Chapter 2 Molecules of life p. 25
Atomic Number
Charge
Electron
Isotopes
number of protons in the atomic nucleus; determines the eleme…
Electrical property; opposite charges attract and like charge…
Negatively charged subatomic particle.
Forms of an element that differ in the number of neutrons the…
Atomic Number
number of protons in the atomic nucleus; determines the eleme…
Charge
Electrical property; opposite charges attract and like charge…
46 terms
The Molecules of Life - Chapter 2
Atom
Atomic number
Atomic mass
Isotopes
the basic unit of all matter
distinguish the number of protons in the nucleus
sum of the number of protons and neutrons in the nucleus
all atoms of the same element have the same number of protons…
Atom
the basic unit of all matter
Atomic number
distinguish the number of protons in the nucleus
29 terms
Chapter 2 The Molecules of Life
Atom
Element
the major elements in living material
molecules
basic units of all matter, made up of three components:... Proto…
substance that consists of a single type of atom.
are carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur
Atoms form bonds with one another to create
Atom
basic units of all matter, made up of three components:... Proto…
Element
substance that consists of a single type of atom.
Chapter 2. The Molecules of Life
elements
atom
nucleus
protons
small substances combined in various ways
basic unit of matter
made of protons+ and neutrons0
positively charged ions
elements
small substances combined in various ways
atom
basic unit of matter
45 terms
Chapter 2: Molecules of Life
Matter
Atom
Element
CHNOPS
Anything that has mass or occupies space - composed of atoms
Basic structure unit of matter
Substance consisting of a single type of atom
Carbon, Hydrogen, Oxygen, Phosphorus and Sulfur comprise 98%…
Matter
Anything that has mass or occupies space - composed of atoms
Atom
Basic structure unit of matter
15 terms
Chapter 2: The Molecules of Life
Amino Acid
Atom
Carbohydrate
Covalent Bond
Subunit of a protein
Basic unit of matter
Compound containing principally carbon, hydrogen, and oxygen,…
Strong chemical bond formed when two atoms share electrons
Amino Acid
Subunit of a protein
Atom
Basic unit of matter
30 terms
Chapter 2: The Molecules of Life
Atoms
Protons
Neutrons
Electrons
The basic unit of all matter.
Positively charged particles.
Uncharged particles.
Negatively charged particles.
Atoms
The basic unit of all matter.
Protons
Positively charged particles.
91 terms
Chapter 2: The Molecules Of Life
Chemistry is the study of
Contains protons (+), neutrons (-), an…
Atoms that are made up of chemical bonds
Different elements brought together
-atoms and molecules
-atoms
-molecules
-compound
Chemistry is the study of
-atoms and molecules
Contains protons (+), neutrons (-), an…
-atoms
33 terms
Chapter 2 molecules of life
An ______ is a basic ynit lf all matte…
The three components are ________,____…
Electrons are ________ charged
Neutrons are ______ charged
Atom
Neutrons protons and electrons
Negativly
No charge
An ______ is a basic ynit lf all matte…
Atom
The three components are ________,____…
Neutrons protons and electrons
76 terms
Chapter 2- The Molecules of Life
chemistry
atom
molecules
compounds
study of atoms & molecules and how they interact with eachother
the basic unit of all living matter
two of the same atoms joined together
two different atoms joined together
chemistry
study of atoms & molecules and how they interact with eachother
atom
the basic unit of all living matter
207 terms
Chapter 2: The Molecules of life
Amino Acid
Atom
Carbohydrates
Covalent Bond
a subunit of a protein
The basic unit of matter
A compound containing principally carbon, hydrogen, and oxyge…
a strong chemical bond formed when 2 atoms share electrons
Amino Acid
a subunit of a protein
Atom
The basic unit of matter
47 terms
Chapter 2: Molecules of Life
Adenosine triphosphate (ATP)
Atomic number
Charge
Electron
Nucleotide the consists of an adenine base, a ribose sugar, t…
Number of protons in the atomic nucleus; determines the eleme…
Electrical property; opposite charges attract, and like charg…
Negatively charged subatomic particle that occupies... orbitals…
Adenosine triphosphate (ATP)
Nucleotide the consists of an adenine base, a ribose sugar, t…
Atomic number
Number of protons in the atomic nucleus; determines the eleme…
88 terms
Chapter 2: Molecules of Life
atom
electron
charge
nucleus
fundamental building-block particle of matter; cannot be divi…
negatively charged subatomic particle that occupies orbitals…
electrical property of some subatomic particles
core of an atom, occupied by protons and neutrons
atom
fundamental building-block particle of matter; cannot be divi…
electron
negatively charged subatomic particle that occupies orbitals…
51 terms
Chapter 2: The Molecules of Life
elements
atom
nucleus
protons
small number of fundamental elements
the basic unit of matter
the center of the atom
positively charged particles located in the nucleus
elements
small number of fundamental elements
atom
the basic unit of matter
63 terms
Chapter 2: The Molecules of Life
Elements
Atom
Protons
Neutrons
Earth, Fire, Air, Water
The basic unit of matter
Positively charged particles
Neutral particles
Elements
Earth, Fire, Air, Water
Atom
The basic unit of matter
40 terms
Chapter 2: Molecules of Life
Elements
Atom
Proton
Neutron
Pure substances that cannot be further broken down by chemica…
Most basic building block of elements
Positively charged molecule in the atom's nucleus
Particle with equal mass to a proton, with no charge, located…
Elements
Pure substances that cannot be further broken down by chemica…
Atom
Most basic building block of elements
91 terms
Chapter 2: The Molecules Of Life
Chemistry is the study of
Contains protons (+), neutrons (-), an…
Atoms that are made up of chemical bonds
Different elements brought together
-atoms and molecules
-atoms
-molecules
-compound
Chemistry is the study of
-atoms and molecules
Contains protons (+), neutrons (-), an…
-atoms
Chapter 2 The Molecules of Life
Atoms
neutrons
protons
electrons
the basic units of all matter, made up of three components.
uncharged particles, neutral charge.
positively charged particles.
negatively charged particles.
Atoms
the basic units of all matter, made up of three components.
neutrons
uncharged particles, neutral charge.
22 terms
Chapter 2 Molecules of Life
Molecules of life
Carbohydrates
Lipids
Types of Lipids
Carbohydrates, Lipids, Proteins, and Nucleic Acids
carbon oxygen ring structures, most important subunit is gluc…
Subunits- 3 fatty acid chains bond to one glycerol molecule t…
fatty acids, triglycerides, phospholipids, steroids, animal o…
Molecules of life
Carbohydrates, Lipids, Proteins, and Nucleic Acids
Carbohydrates
carbon oxygen ring structures, most important subunit is gluc…
63 terms
Chapter 2 Molecules of Life
Atomic Number
Charge
Electron
Element
Number of protons in the atomic nucleus;determines the element.
Electrical property; opposite charges attract and like charge…
Negatively charged subatomic particle.
A pure substance that consists only of atoms with the same #…
Atomic Number
Number of protons in the atomic nucleus;determines the element.
Charge
Electrical property; opposite charges attract and like charge…
42 terms
Chapter 2 Molecules of Life
Chemistry
Element
Molecule
Compound
the study of atoms and molecules
one type of atom
2 or more atoms... Ex: H2O, O2
molecule that contains two or more atoms held together by a c…
Chemistry
the study of atoms and molecules
Element
one type of atom
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