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Study sets matching "biology chapter 2"

50 terms
Chapter 2: Chemistry of Life Holt Biology
Independent variable
Dependent variable
Control
Controlled Variables
the experimental factor that is manipulated; the variable who…
the variable that is measured in an experiment.
Used as a basis for comparison in an experiment
factors that scientists purposely keep the same
Independent variable
the experimental factor that is manipulated; the variable who…
Dependent variable
the variable that is measured in an experiment.
38 terms
Biology Chapter 2
atom
nucleus
electron
element
basic unit of matter
the center of the atom where protons and neutrons are located
negatively charged atomic particles; are in constant motion a…
a chemically pure substance with only one type of atom
atom
basic unit of matter
nucleus
the center of the atom where protons and neutrons are located
30 terms
Glencoe Biology - Chapter 2: Principles of Ecology
abiotic factor
autotroph
biogeochemical cycle
biological community
any nonliving factor in an organism's environment, such as so…
organism that captures energy from sunlight or inorganic subs…
exchange of matter through the biosphere involving living org…
all the enteracting populations of different species that liv…
abiotic factor
any nonliving factor in an organism's environment, such as so…
autotroph
organism that captures energy from sunlight or inorganic subs…
35 terms
Biology Chapter 2
Atom
Element
Compound
Ion
Smallest basic unit of matter
One particular type of atom... Cannot be broken down into a simi…
Substance made of atoms of different elements bonded together…
An atom that has gained or lost one or more electrons
Atom
Smallest basic unit of matter
Element
One particular type of atom... Cannot be broken down into a simi…
65 terms
Biology-- Chapter 2
hydrogen bond
cohesion
adhesion
atom
attraction between a slightly positive hydrogen atom and a sl…
attraction among molecules of a substance
attraction among molecules of different substances
smallest basic unit of matter
hydrogen bond
attraction between a slightly positive hydrogen atom and a sl…
cohesion
attraction among molecules of a substance
Biology Chapter 2: Chemistry
Element
Compound
Atoms
Molecules
pure matter that can not be broken down into a simpler subtance
Elements that are combined
basic particles that make up an element
basic particles that make up compounds
Element
pure matter that can not be broken down into a simpler subtance
Compound
Elements that are combined
59 terms
Biology: Chapter 2 - The Chemistry of Life
matter
atom
proton
neutron
anything that has mass and takes up space
the basic unit of matter
part of an atom that is found in the nucleus and has a positi…
part of an atom that is found in the nucleus and doesn't have…
matter
anything that has mass and takes up space
atom
the basic unit of matter
Biology Chapter 2
atom
element
compound
ion
smallest basic unit of matter
one type of atom, cannot be broken down
a substance made of atoms of different elements bonded togeth…
an atom that has gained or lost one or more electrons
atom
smallest basic unit of matter
element
one type of atom, cannot be broken down
37 terms
Biology Concepts and Connections Chapter 2
Element
Compound
Proton
Electron
A substance that cannot be broken down to other substances by…
A substance containing two or more elements in a fixed ratio.
A particle with a polite charge, found in the nucleus of an a…
A particle with a single negative electrical charge. One or m…
Element
A substance that cannot be broken down to other substances by…
Compound
A substance containing two or more elements in a fixed ratio.
13 terms
Biology - Chapter 2
acid
adhesion
base
cohesion
any compound that forms H+ ions in solution.
attraction between molecules of different substances
a compound that produces hydroxide (OH-) in solution
attraction between molecules of the same substance
acid
any compound that forms H+ ions in solution.
adhesion
attraction between molecules of different substances
68 terms
Biology Chapter 2
The atoms found in water
The charge on the Oxygen side of a H2O…
The most abundant compound in living t…
The universal solvent
2 Hydrogen and 1 Oxygen
Slightly Negative
Water
Water
The atoms found in water
2 Hydrogen and 1 Oxygen
The charge on the Oxygen side of a H2O…
Slightly Negative
38 terms
Biology Chapter 2
Cohesion
Adhesion
Atom
Element
The property of water that allows the molecule to stick to ot…
The sticking together of particles of different substances.
The smallest basic unit of matter
Substance made of only one type of atom that can not be broke…
Cohesion
The property of water that allows the molecule to stick to ot…
Adhesion
The sticking together of particles of different substances.
35 terms
Biology: Chapter 2 - Chemistry of Life
atom
element
compound
ion
smallest basic unit of matter.
substance made of only one type of atom that cannot be broken…
substance made of atoms of different elements that are bonded…
atom that has gained or lost one or more electrons.
atom
smallest basic unit of matter.
element
substance made of only one type of atom that cannot be broken…
47 terms
Chapter 2 Biology
atomic number
atomic mass
ions
isotope
number of protons
protons + neutrons
change in electrons
change in neutrons
atomic number
number of protons
atomic mass
protons + neutrons
21 terms
Biology Chapter 2
Amino Acid
Carbohydrate
Chemical Bond
Chemical Reaction
Small molecule that is building block of proteins
Organic compound such as a sugar or starch
Force that holds molecules together
Process that changes some chemical substances into others
Amino Acid
Small molecule that is building block of proteins
Carbohydrate
Organic compound such as a sugar or starch
42 terms
Biology - Chapter 2
Matter
Element
Compound
Trace Elements
defined by anything that has space and has mass.
substance that cannot be broken down to other substance by or…
substance consisting of two or more different elements combin…
an element indispensable for life but required in extremely m…
Matter
defined by anything that has space and has mass.
Element
substance that cannot be broken down to other substance by or…
31 terms
Biology Chapter 2
Cell
macromolecules
elements
compounds
a basic unit of living matter separated from its environment…
a giant molecule in a living organism: a protein, polysacchar…
a substance that cannot be broken down to other substances by…
a substance containing two or more elements in a fixed ratio;…
Cell
a basic unit of living matter separated from its environment…
macromolecules
a giant molecule in a living organism: a protein, polysacchar…
38 terms
Biology Chapter 2
Cohesion
Adhesion
Atom
Element
The property of water that allows the molecule to stick to ot…
The sticking together of particles of different substances.
The smallest basic unit of matter
Substance made of only one type of atom that can not be broke…
Cohesion
The property of water that allows the molecule to stick to ot…
Adhesion
The sticking together of particles of different substances.
34 terms
biology chapter 2
atom
changing the number of protons
changing the number of nuetrons
changing the number of electrons
the basic unit of living things made up of a neutron, proton,…
makes a new element
makes an isotope (but it's still the same element)
makes an ion; has a + or - charge
atom
the basic unit of living things made up of a neutron, proton,…
changing the number of protons
makes a new element
22 terms
Biology Chapter 2 Vocab
Hydrogen Bond
Cohesion
Adhesion
Monomer
An attraction between a slightly positive hydrogen atom and a…
The attraction between molecules in a substance.
The attraction among molecules of different substances.
Each subunit in the complete molecule.
Hydrogen Bond
An attraction between a slightly positive hydrogen atom and a…
Cohesion
The attraction between molecules in a substance.
15 terms
Biology Review Chapter 2 - DeLong
Electron
Cohesion
Adhesion
Solution
negatively charged particle
attraction between molecules of same substance
attraction between molecules of different substances
mixture in which molecules of the mixed substances are equall…
Electron
negatively charged particle
Cohesion
attraction between molecules of same substance
35 terms
Chapter 2 Biology
atom
element
compound
ion
Basic unit of matter
A pure substance made of only one kind of atom
A substance made up of atoms of two or more different element…
A charged atom
atom
Basic unit of matter
element
A pure substance made of only one kind of atom
73 terms
Biology Chapter 2
Matter
Element
Atom
Neutron
Anything that occupies space and has mass.
A substance that cannot be broken down into simpler substance…
The smallest unit of an element that can exist alone or in co…
A non-charged particle in the atom's nucleus.
Matter
Anything that occupies space and has mass.
Element
A substance that cannot be broken down into simpler substance…
41 terms
Biology Chapter 2
atom
nucleus
electron
element
the smallest component of an element
the center of an atom
negatively charged particle in an atom
a pure substance that consists of one type of atom
atom
the smallest component of an element
nucleus
the center of an atom
44 terms
Biology Chapter 2 Vocab
Matter
Element
Compound
Trace element
Anything that takes up space and has mass.
Any substance that cannot be broken down to any other substan…
A substance consisting of two or more different elements comb…
An element indispensable for life but required in extremely m…
Matter
Anything that takes up space and has mass.
Element
Any substance that cannot be broken down to any other substan…
78 terms
Biology Chapter 2
What is matter?
What are the three states of matter?
What is an element?
What is a compound?
Anything that occupies space and has mass
Solid, liquid, gas
A substance that cannot be broken down to other substances by…
A substance containing two or more elements in a fixed ratio.…
What is matter?
Anything that occupies space and has mass
What are the three states of matter?
Solid, liquid, gas
35 terms
Biology: Chapter 2 - Chemistry of Life
atom
element
compound
ion
smallest basic unit of matter.
substance made of only one type of atom that cannot be broken…
substance made of atoms of different elements that are bonded…
atom that has gained or lost one or more electrons.
atom
smallest basic unit of matter.
element
substance made of only one type of atom that cannot be broken…
Chapter 2 Biology Vocabulary
Atom
Nucleus
Protons
Electrons
The basic structural unit of an element
Small, dense positively charged region in the center of an atom
Positively charged particles
Negatively charged particles
Atom
The basic structural unit of an element
Nucleus
Small, dense positively charged region in the center of an atom
17 terms
Chapter 2 Biology
Anything that occupies space or mass
A substance that cannot be broken down…
A substance consisting of two or more…
Essential for humans, but only in minu…
Matter
Element
Compound
Trace elements
Anything that occupies space or mass
Matter
A substance that cannot be broken down…
Element
25 terms
Biology Chapter 2 Vocabulary
Atom
Cohesion
Element
Adhesion
Is the smallest unit of matter that cannot be broken down by…
Attraction between molecules of the same substance
A pure substance made of only one kind of atom
An attraction between molecules of different substances
Atom
Is the smallest unit of matter that cannot be broken down by…
Cohesion
Attraction between molecules of the same substance
15 terms
Biology Review Chapter 2 - DeLong
Electron
Cohesion
Adhesion
Solution
negatively charged particle
attraction between molecules of same substance
attraction between molecules of different substances
mixture in which molecules of the mixed substances are equall…
Electron
negatively charged particle
Cohesion
attraction between molecules of same substance
20 terms
Biology Chapter 2
Element
Compounds
Elements Essential for Life
Elements properties depend on:
Most basic form of matter ... (H)
Multiple elements combined ... (H2O)
Oxygen (O), Carbon (C), Hydrogen (H), Nitrogen (N)
the structure of its atoms
Element
Most basic form of matter ... (H)
Compounds
Multiple elements combined ... (H2O)
47 terms
Chapter 2- AP Biology
ammonia
anion
atom
atomic mass
A small and very toxic nitrogenous waste produced by metabolism
A negatively charged ion
The smallest unit of matter that retains the properties of an…
total atomic mass, or mass in grams of one mole of an atom
ammonia
A small and very toxic nitrogenous waste produced by metabolism
anion
A negatively charged ion
46 terms
biology chapter 2
matter
mass
element
atom
anything that occupies space and has a mass
the quantity of matter an object has
substances that cannot be broken down chemically into simpler…
simplest particle of an element that retains all of the prope…
matter
anything that occupies space and has a mass
mass
the quantity of matter an object has
16 terms
Biology Chapter 2
Atom
Isotope
Ionic Bond
Covalent Bond
Smallest unit of matter.
Atoms of the same element that differ in the number of neutro…
When one or more electrons are transferred from one atom to a…
When valence electrons are shared.
Atom
Smallest unit of matter.
Isotope
Atoms of the same element that differ in the number of neutro…
46 terms
Biology Chapter 2
Matter
Mass
Element
Atom
matter Anything that has mass and takes up space.
mass A measure of the amount of matter in an object
element A pure substance made of only one kind of atom
atom (physics and chemistry) the smallest component of an ele…
Matter
matter Anything that has mass and takes up space.
Mass
mass A measure of the amount of matter in an object
38 terms
Chapter 2 Biology Vocabulary
Atom
Nucleus
Element
Isotope
Basic unit of measurement.
The center of an atom.
A pure substance that consists entirely of one type of atom.
Atoms of the same element that differ in the number of neutro…
Atom
Basic unit of measurement.
Nucleus
The center of an atom.
72 terms
Biology chapter 2
Kibetic Energy
Potential energy
Elements
Atoms
Energy in action
Stored energy
Cannot be broken down by ordinary chemical means
Smallest unit of an element
Kibetic Energy
Energy in action
Potential energy
Stored energy
14 terms
Biology Chapter 2 Vocabulary
Pathogen
Saprophyte
Parasite
Aerobic Organism
An organism that causes disease.
An organism that feeds on dead matter.
An organism that feeds on a living host.
An organism that requires oxygen.
Pathogen
An organism that causes disease.
Saprophyte
An organism that feeds on dead matter.
32 terms
Biology Chapter 2
Covalent Bond
Molecule
Atom
Element
Forms when atoms share electrons
What is made when two or more atoms are joined by a covalent…
Smallest unit of matter
Substance made from one type of atom, can't be broken intro s…
Covalent Bond
Forms when atoms share electrons
Molecule
What is made when two or more atoms are joined by a covalent…
38 terms
Biology Chapter 2
Cohesion
Adhesion
Atom
Element
The sticking together of particles of same substances.
The sticking together of particles of different substances.
The smallest basic unit of matter
Substance made of only one type of atom that can not be broke…
Cohesion
The sticking together of particles of same substances.
Adhesion
The sticking together of particles of different substances.
74 terms
Biology Chapter 2
monomers
polymers
dehydration synthesis reaction
hydrolysis reactions as it pertains to…
molecule that can be bonded to other identical molecules to f…
macromolecule formed when monomers join together
monomers combine with each other through covalent bonds to fo…
a bond in an organic molecule is broken and O-H bond in a wat…
monomers
molecule that can be bonded to other identical molecules to f…
polymers
macromolecule formed when monomers join together
60 terms
Biology CK-12: Chapter 2
Define elements and compounds.
Explain why carbon is essential to lif…
Describe the structure and function of…
Amino Acid
An element is a pure substance that cannot be broken down int…
Carbon's unique ability to form chemical bonds allows it to f…
1. Carbohydrates are organic compounds such as sugars and sta…
Small molecules that make up proteins.
Define elements and compounds.
An element is a pure substance that cannot be broken down int…
Explain why carbon is essential to lif…
Carbon's unique ability to form chemical bonds allows it to f…
49 terms
Biology Chapter 2
Carbohydrates function
Proteins function
Lipids function
Lipids
Energy
supply us with amino acids. cellular components.
store energy
fats
Carbohydrates function
Energy
Proteins function
supply us with amino acids. cellular components.
57 terms
Biology - Chapter 2
substrate
carbohydrate
lipids
nucleotides
a substance on which an enzyme acts during a chemical reaction
an organic compound with a ratio of one carbon atom to two hy…
an organic compound that is not soluble in water
subunits of RNA and DNA
substrate
a substance on which an enzyme acts during a chemical reaction
carbohydrate
an organic compound with a ratio of one carbon atom to two hy…
62 terms
Biology chapter 2
nucleus
atom
electron
protons, neutrons, and electrons
the center of an atom, which contains the protons and neutron…
the basic unit of matter
a negatively charged particle (-) with only 1/1840 the mass o…
the subatomic particles that make up atoms
nucleus
the center of an atom, which contains the protons and neutron…
atom
the basic unit of matter
38 terms
Biology Chapter 2
Cohesion
Adhesion
Atom
Element
The property of water that allows the molecule to stick to ot…
The sticking together of particles of different substances.
The smallest basic unit of matter
Substance made of only one type of atom that can not be broke…
Cohesion
The property of water that allows the molecule to stick to ot…
Adhesion
The sticking together of particles of different substances.
34 terms
Science Shepherd Biology Chapter 2
acid
atom
atomic mass
atomic number
a solution that has a higher concentration of hydrogen ions t…
the smallest, indivisible building block of matter. Each one…
the "quantity of matter" of an atom of an element determined…
a number assigned to every element that corresponds to the nu…
acid
a solution that has a higher concentration of hydrogen ions t…
atom
the smallest, indivisible building block of matter. Each one…
45 terms
Chapter 2 Biology
Root system
Shoot system
Organs within the root and shoot systems
epidermal
below ground
above ground
root... stems ... leaves ... flowers
protects and covers, has cuticle layer
Root system
below ground
Shoot system
above ground
26 terms
Biology Chapter 2 Vocabulary
element
compound
atom
proton
substance that cannot be broken down to other substances by o…
substance containing two or more elements in a fixed ratio
element
substance that cannot be broken down to other substances by o…
compound
substance containing two or more elements in a fixed ratio
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