Card Set Information
What is the smallest unit of life that can exist as a separate entity?
What is the most important thing a cell needs to survive and reproduce?
DNA and Energy
What is everything in the universe except what humans have manufactured?
What includes all populations of all species in an area?
What is a characteristic of a system that does not appear in any of its component parts?
What is the conversion of solar energy to chemical energy called?
How do organisms sense and respond to changes both inside and outside the body?
What does DNA code
for the production of in organisms?
How does the flow of energy move among living organisms?
What is the ability of a cell to maintain a constant internal environment?
Energy processes are need for what biological processes?
Life. Reproduction. Development. Growth.
A scientific name consists of what names?
Genus and Species
What are the three domains of life?
Bacteria, Eurkaryotes, Archae bacteria
What kingdom consists of multicellular producers?
What group is made up of almost entirely decomposers?
What kingdoms are
Produce, Fungi, Animals.
What is a well-tested hypothesis that has not
What is the first explanation of a problem, also called an “educated guess?”
What do scientists usually conduct in order to arrive at a solution to a problem?
represents multicellular producers?
What kingdom represents prokaryotic organisms?
What kingdom represents yeast, mushrooms, and
What kingdom represents multicellular motile
represents unicellular organisms of considerable internal complexity?
What is the
smallest unit of an element that retains the properties of the element?
What is an element? Which is an element- oxygen or water?
Substance that cannot be broken down. Oxygen.
What is a compound? Which is a
compound-carbon or salt?
Two or more elements. Salt.
What subatomic particle has a negative charge? A positive charge? No charge?
Electrons, protons, and neutrons.
What subatomic particles does the nucleus of an atom contain?
Protons and Neutrons
All atoms of an element have the same number of what?
If magnesium has 12 electrons, then how many
electrons are in each of its energy levels?
2 in first, 8 in second, 2 in third.
Water is an example of what?
What is a molecule?
two or more atoms.
What is an atom that gains or loses electrons?
In what kind of bond do both atoms exert the same pull on shared electrons?
Nonpolar and covalent.
What kind of bond is an attractive force between a hydrogen atom and another molecule? How is it represented? Are they weak or strong?
Hydrogen. Dashes. Weak.
What kinds of molecules are repelled by water?
What is a measure of an atom’s ability to pull
electrons from other atoms?
Fats compose which
part of the cell?
How many tails do
What is the atom
present in all organic compounds?
The backbone of organic molecules is composed of what covalently bonded atoms?
What kind of reaction produces large molecules by linking small molecules together?
What is the
breakdown of large molecules by the enzymatic addition of water?
What is the final
by-product of many condensation reactions?
glucose are examples of what kind of carbohydrate?
What kind of carbohydrate is composed of a
molecule of fructose and a molecule of glucose?
In what form do
plants store their excess carbohydrates?
What is a polysaccharide used for energy storage by animals?
What are examples of carbohydrates?
Starch, Cellulose, Glycogen, Fructose, Sucrose
Waxes are composed of what organic molecule?
What kind of tissue keeps penguins warm?
What are the main
components of cell membranes?
What can the secondary structure of proteins look like?
Sheets or coils. bending and looping.
The sequence of amino acids is an example of what structure of proteins?
Primary protein structure is formed by bonds
between what in the amino acids?
peptides, amine, carboxyl
A string of amino
acids forms what kind of chain?
What three things comprise an amino acid?
amine group, carboxyl group, R group
In sickle-cell anemia, what amino acid is
What three things
comprise a nucleotide?
5 carbon sugar,
nitrogen base, phosphate group
What does a string
of nucleotides form?
How are nucleic
acids bonded together?
sugar and phosphate
What are examples of polysaccharides?
cellulose, starch, glycogen, and chitin
What are some
examples of things that contain saturated fats?
Trans fat. Butter. Egg. Bacon Grease. Whole
What are some
examples of lipids?
Choletstrol, Steroids, oils, butters, waxes