| biology word |
definition |
| analysis |
interpretation of data |
| biology |
science that seek to understand the living world |
| active site |
a specific portion of an enzyme that attatches to a substrate |
| covalent bond |
bond formed by the sharing of electrons between atoms |
| polysaccharide |
large marcromolecule formed from monosaccharides |
| substrate |
reactant of enzyme |
| eukaryote |
organism whose cells contain nuclei |
| prokaryote |
a single-celled organism lacking a nucleus |
| active transport |
energy requiring process that moves material against gradient |
| cellular respiration |
releases energy by breaking down glucose and food molecules with oxygen present |
| diffusion |
when molecules move are moved through protein channels |
| facilated diffusion |
when molecules are moved through protein channels |
| osmosis |
movement of water according to the gradient |
| photosynthesis |
process inwhich autotrophs use light to convert water, co2, into energy compounds usable by the plant; glucose |
| cell cycle |
series of events that the cell goes through to grow and divide |
| crossing over |
during meiosis; when genes of one chromosome switch onto another chromosome while forming a tetrad |
| diploid |
a cell with two homolohous chromosomes (pairs) |
| haploid |
a cell containing one pair of homologous chromosomes |
| point mutation |
mutation |
| replication |
copying process in which cell duplicates its |
| transcription |
copyong DNA into RNA format |
| translation |
copying RNA into protein synthesis |
| heterozygous |
organism that has two different alleles for one trait |
| homozygous |
organism that has one pair of the same alleles |
| hybrid |
offspring of crosses between parents of different traits |
| incomplete dominance |
situation in which one allele is not completely dominant over the other |
| principle of independent assortment |
alleles of different genes; usually segregated |
| principle of dominance |
one allele may be expressed all alone |
| autotroph |
an organism that makes its own food |
| biodiversity |
total of variety of organisms in the biospherean organism that obtains energy throught the consumation of other animals |
| carnivore |
an organism that obtains energy through the consumation of other animals |
| commensalism |
process in which one member is helped, the other is normal |
| consumer |
organisms that gains energy by consuming other organisms |
| decomposer |
organisms that gain energy through dead organisms |
| food chain |
series of steps in which energy is transformed by being consumed |
| food web |
complex interactions formed by feeding relationships between many organisms |
| herbivore |
organism that obtains energy by eating only plants |
| heterotroph |
organism that eats for energy; called a consumer |
| limiting factor |
factor that causes the growth of the population to decrease |
| mutualism |
when both organisms benefit from the relationship |
| omnivore |
eats bothe plants and animals for energy |
| parasitism |
when 1 organism is benefited and the other has loss in relationship |
| succession |
a series of predictable changes overtime |
| trophic level |
a step in food chain or food web |
Poultry
