Study sets matching "molecules of life chapter 2"

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Study sets matching "molecules of life chapter 2"

Chapter 2 - The Molecules of Life
Chemistry
Atoms
Molecules
Compounds
the study of atoms and molecules
have a central section called the nucleus which contain proto…
two atoms of the same element joined together
two atoms of different elements joined together
Chemistry
the study of atoms and molecules
Atoms
have a central section called the nucleus which contain proto…
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…
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…
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
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…
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…
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…
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…
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…
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
51 terms
Chapter 2: The Molecules of Life
elements
number of protons = ____________
atomic weight
orbital
fundamental substances, 1 type of atom
atomic number
average of isotopes
region in space
elements
fundamental substances, 1 type of atom
number of protons = ____________
atomic number
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
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.
20 terms
Chapter 2 : The Molecules of Life
atom
molecular orbital
covalent bond
electronegativity
the basic unit of matter
merged orbital of two aoms
a chemical bond formed by a shared pair of electrons holding…
the ability of atoms to attract electrons
atom
the basic unit of matter
molecular orbital
merged orbital of two aoms
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
77 terms
Chapter 2: The molecules of life
chemsitry
elements
Living matter
Hydrogen... carbon... oxygen... nitrogen... phosph…
the study of matter
one type of atom, unique properties; cannot be broken down by…
H, C, O, N, P, and S
what 6 atoms do we talk about when talking about living things?
chemsitry
the study of matter
elements
one type of atom, unique properties; cannot be broken down by…
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
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
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
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…
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
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
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
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…
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
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
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…
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
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…
27 terms
Chapter 2: The Molecules of Life
Organisms considered to be alive becau…
Biomolecules = Molecules of life = Mac…
Biochemistry
Atoms
- acquire and use energy (carbs)... - made up of cells (carbs/li…
- protein ... - fat... - carbohydrate... - nucleic acid
-the study of chemical reactions involved in living organisms…
- consist of protons, neutrons and electrons... - contain dense…
Organisms considered to be alive becau…
- acquire and use energy (carbs)... - made up of cells (carbs/li…
Biomolecules = Molecules of life = Mac…
- protein ... - fat... - carbohydrate... - nucleic acid
5 terms
Chapter 2 Molecules of life p. 35
Carbohydrate
Cellulose
Enzyme
Metabolism
Molecule that consists primarily of carbon, hydrogen, and oxy…
Tough, insoluble carbohydrate that is the major structural ma…
Organic molecule that speeds up a reaction without being chan…
All the enzyme-mediated chemical reactions by which cells acq…
Carbohydrate
Molecule that consists primarily of carbon, hydrogen, and oxy…
Cellulose
Tough, insoluble carbohydrate that is the major structural ma…
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.
5 terms
Chapter 2 Molecules of life p. 29
Chemical Bond
Compound
Covalent Bond
Ionic Bond
An attractive force that arises between two atoms when their…
Molecule that has atoms of more than one element.
Type of chemical bond in which two atoms share a pair of elec…
Type of chemical bond in which a strong mutual attraction lin…
Chemical Bond
An attractive force that arises between two atoms when their…
Compound
Molecule that has atoms of more than one element.
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.
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
6 terms
Chapter 2 Molecules of life p. 33
Acid
Base
Buffer
Monomer
Substance that releases hydrogen ions in water.
Substance that accepts hydrogen ions in water.
Set of chemicals that can keep the pH of a solution stable by…
Molecule that is a subunit of polymers.
Acid
Substance that releases hydrogen ions in water.
Base
Substance that accepts hydrogen ions in water.
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
6 terms
Chapter 2 Molecules of life p. 41
ATP
DNA
Nucleic Acid
Nucleotide
Nucleotide monomer or RNA; also serves an important role as a…
Deoxyribonucleic acid. Nucleic acid that consists of two chai…
Chain of nucleotides; DNA or RNA
Small molecule with a five-carbon sugar, a nitrogen-containin…
ATP
Nucleotide monomer or RNA; also serves an important role as a…
DNA
Deoxyribonucleic acid. Nucleic acid that consists of two chai…
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…
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…
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
30 terms
Biology Chapter 2. Molecules of life
Atomic Weight
Hydrogen Bond
Carbon Significance
Four Major Macromolecules
Number of protons + number of neutrons
H atom bonded with electronegative atom is attracted to anoth…
It is the backbone for life
-Nucleic Acids (DNA/RNA)... -Proteins... -Carbohydrates... -Lipids
Atomic Weight
Number of protons + number of neutrons
Hydrogen Bond
H atom bonded with electronegative atom is attracted to anoth…
Chapter 2: The Molecules of Life
hydrogen bonds
dashed lines
weaker
Hydrogen, oxygen, nitrogen, and fluorine
-oxygen is so electronegative that water can form ___________…
hydrogen bonds are represented by ___________________________…
hydrogen bonding is stronger or weaker than covalent bonds
what are the only elements that can make Hydrogen bonds
hydrogen bonds
-oxygen is so electronegative that water can form ___________…
dashed lines
hydrogen bonds are represented by ___________________________…
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
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