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AP Bio 100 words
Top 100 words to know for Bio
29
Biology
11th Grade
07/12/2011

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Cards

Term
Active Site
Definition
The part of the enzyme where the substrate will bind
Term
Active Transport
Definition
The movement of molecules across a cell membrane with the use of ATP
Term
Alternation of Generations
Definition
The life cycle of a plant that includes both a multicellular haploid form and a multicellular diploid form.
Term
Alveoli
Definition
The functional unit of a lung
Term
Amino Acids
Definition
The 20 molecules that are held together by peptide bonds to make proteins
Term
Amniotic Egg
Definition
The hard shelled egg that allows reptiles and birds to have internal fertilization but for the organism to form outside the mother
Term
Angiosperm
Definition
Flowering plant
Term
Antibodies
Definition
Proteins made by B cells that immobilize antigens
Term
Anticodon
Definition

The three nucleotide combination on the transfer RNA that matches up with the three letter combination on the messenger RNA

Term
Antigen
Definition
The foreign particles that trigger an immune response
Term
ATP
Definition
A high energy molecule that can be split apart to release energy for different processes in living things
Term
Autotroph
Definition
An organism that makes its own food
Term
Auxins
Definition

Plant hormones that lead to phototropism by elongating the dark side of the plant

 

Phototropism=Reaction to light (can be positive or negative)

Term
Binary Fission
Definition
Asexual reproduction in bacteria
Term
Buffer
Definition
A chemical that can release or absorb hydrogen ions depending on the conditions and therefore can maintain the pH of a solution at a constant level
Term
Capillaries
Definition
The smallest blood vessels.  Connect veins to arteries and are the site of all exchange with the environment
Term
Catalyst
Definition
A molecule that speeds up a chemical reaction by lowering the activation energy
Term
Cell Cycle
Definition
:  The continuous series of events that all somatic cells go through that includes mitosis, cytokinesis, and interphase
Term
Cell Wall
Definition
Structural part of some cells that can be made of cellulose, peptidoglycan, or chitin depending on what kingdom the organism belongs to
Term
Cellular Respiration
Definition
The process of breaking down glucose to make ATP
Term
Cholesterol
Definition
The steroid embedded in the cell membrane that keeps the membrane fluid and strong
Term
Chloroplast
Definition
The cell part responsible for photosynthesis in eukaryotic cells
Term
Chromatin
Definition
The unwound form of DNA that is accessible for making RNA
Term
Chromosomes
Definition
The DNA when it is wrapped up tightly around proteins during metaphase
Term
Codon
Definition
The three nucleotide combination on the messenger RNA that matches up with the three letter combination on the transfer RNA and has the information to code for one amino acid
Term
Cohesion
Definition
The attractive force between polar molecules of the same substance
Term
Controlled Variables
Definition
The characteristics of the control group and experimental group that are held constant
Term
Covalent Bond
Definition
An intramolecular bond where atoms are sharing electrons equally
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