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49 Cards in this Set

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passing on traits from one generation to another
heredity
inserting DNA into bacteria
recombinant DNA
study of inheritance
genetics
an allele inherited on a sex chromosome
sex-linked gene
a trait that is hidden
recessive
the chance that an event will take place
proability
genetic makeup of an organism
genotype
a normal allele is placed into a virus
gene therapy
physical apperance resulting from genotyoe
phenotype
both allels are expressed in offspring
incomplete dominance
more than one set of genes controls a trait
polygenic inheritance
plant processes using light energy to produce food
photosynthesis
anything in environment affecting the behavior of an organism
stimulus
response of a plant to a stimulus
tropism
flowering response of a plant to changes in length of light and dark in a day
photoperiodism
plants requiring long nights to flower
short-day plants
plants that flower over a wide range of night lenghts
day-neutral plants
plant hormone that moved to shaded side of stem
auxins
releasing energy from food
respiration
reproduction in which a new organism is produced when sex cells combine
sexual reproduction
cell that forms in fertilization
zygote
the joining of an egg and sperm
fertilization
a nucleic acid which carries the code for making proteins from the nucleus to the ribosomes
RNA
structures in the nucleus that contain hereditary material
chromosomes
formation of two nuclei with identical chromosomes
mitosis
nuclear division that forms sex cells
meiosis
coded instructions that control cell activity (recipe)
DNA
segment of DNA controlling production of one protein
gene
any permanent chane in genetic material of a cell
mutation
the total of all chemical reations in an organism
metabolism
an organism that makes its own food
producer
movement of molecules from an area where there are many to an area where there are few (H -> L)
diffusion
compound that does not contain carbon
inorganic compound
a substance that speeds up a chemical reaction in a cell
enzyme
passice transport of water by diffusion
osmosis
when the content of a vesicle are released by the cell
exocytosis
movement of substances without the use of energy
passive transport
large molecules are surrounded by the cell membrane and enter the cell (cell eating)
endocytosis
a combination of substances; each substance keeps its identity (no bonds)
mixture
structure to wich vocal cords are attached
larynx
tube with cartilage, mucous membranes, and cilia (windpipe)
trachea
branches of the trachea
bronchi
clusters of thin-walled air sacs
alveoli
muscle beneath lungs that helps air move in and out
diaphragm
disease resulting in a the alveoli losing their ability to expand and contract
emphysema
major organs of urinary sytems
kidneys
filtering units of the kidneys
nephrons
tubes that leade from each kidney to the bladder
ureters
organ that holds urine until it leaves the body
bladder