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Terms in this set (60)
The charge of an electron
The type of bond where atoms share electrons
The type of bond where atoms give away electrons
Partly or completely charged molecule (will dissolve in water)
Not charged molecule (will not dissolve in water)
A weak type of bond that forms between adjacent water molecules
The simplest building block of a larger molecule.
A large chain of monomers joined together.
The tendency of a substance such as water to stick to different substances
The tendency of a substance such as water to stick to the same substance (water molecules stick to each other)
This type of reaction where monomers are joined together to form a larger molecule.
The monomer of carbohydrates or a single sugar molecule (an example is glucose)
The polymer of carbohydrates (many monosaccharides put together)
What is provided to the body by sugars and other carbohydrates
Molecules that include fats, oils, waxes, and steroids
The type of lipid that makes up the plasma or cell membrane. Made of a phosphate head and fatty acid tail.
Water-fearing (repels water)
Water-loving (attracted to water)
The monomer of nucleic acids
Protein molecules that speed up chemical reactions by lowering the activation energy
The molecule or substance that fits into the enzyme at the active site (not an actual part of the enzyme)
A flexible, outer portion of the cell that controls what substances enter and exit the cell
The organelle for converting food into cellular energy (ATP); the powerhouse of the cell that gives energy
A type of cell that is typically larger, more complex, has numerous organelles; examples include animal and plant cells
A type of cell that is typically smaller, more simple, does not contain a nucleus or other organelles; example includes bacteria
The process that moves water molecules across the membrane of a cell from high concentration to low
The cellular process in which materials (not water) are moved across a membrane from an area of high concentration to an area of low concentration without the help of a protein or energy
A type of solution that has more solute outside the cell, water moves out, and the cell shrinks.
A type of solution that has more solute inside the cell, water moves in, and the cell swells.
A type of solution that has equal amounts of solute outside and inside the cell, water moves in and out equally, and the cell stays the same size.
The movement of substances against their concentration gradient (from low concentration to high) with the use of cellular energy.
A biome characterized by cold temperatures and permafrost (a permanently frozen layer of soil that makes it difficult for larger vegetation to grow)
An organism that consumes other organisms for energy (a consumer)
An organism that produces its own food through chemosynthesis or photosynthesis (a producer)
A consumer that eats both plants and animals
An organism that recycles nutrients in an ecosystem by decomposing dead matter as a food source
A consumer that only eats plants
The process where bacteria take nitrogen from the air and convert it to a form usable by plants in the soil
Refers to the maintenance of a constant internal state.
Regulation and balance of temperature
The regulation of the balance of water and solutes
And organism that relies on the environment to regulate body temperature
An organism that maintains its own body temperature independent of the external environment?
All of the members of a SINGLE species living in one defined area
An aquatic ecosystem characterized by the mixing of freshwater and saltwater that changes with tides
The process where soil bacteria convert solid nitrates in the soil into nitrogen gas in the atmosphere.
The specific, full range of conditions in which a species lives including many components such as food source, reproduction, habitat, ideal temperature, humidity and other abiotic and biotic factors.
The general abiotic and biotic factors where an organism lives.
Competitive Exclusion Principle
No two species can occupy the same niche, for one species will out-compete the other, forcing the other species to either adapt or die.
Also called nonnative species; a species taken from outside its normal range of habitat. May compete with native species for resources.
A biological community of organisms through ecological succession has reached a steady state; examples of organisms would include animals and large vegetation such as trees.
An ecological relationship where one species benefits and the other is neither helped nor harmed.
An ecological relationship where both species benefit.
When more than one species or individuals attempt to use the same resource at the same time.
Equal amounts of solute on both sides of the membrane; substances equally spread out
Ecological succession that occurs after an event such as a fire where soil still exists.
Ecological succession that occurs after an event where no soil is present.
The monomers of proteins that are linked by peptide bonds
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