Biology Vocab (3)

19 terms by Brennabigs

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(genetics) an organism or cell having two sets of chromosomes or twice the haploid number


a mature sexual reproductive cell having a single set of unpaired chromosomes (ex. egg, sperm)


the development and maturation of sex cells through meiosis


of the body


abbreviation for diploid cell


(genetics) cell division that produces reproductive cells in sexually reproducing organisms


the fertilized egg; it enters a 2-week period of rapid cell division and develops into an embryo


the production of sperm cells


the production, growth, and maturation of an egg, or ovum

Meristematic tissue

Plant tissue found only in the tips of shoots and roots; responsible for plant growth. (divides)


Vascular plant tissue consisting mainly of tubular dead cells that conduct most of the water and minerals upward from roots to the rest of the plant.


vascular tissue responsible for the transport of nutrients and the carbohydrates produced by photosynthesis


process by which vesicles release their contents outside the cell


process by which a cell takes in a substance by surrounding it with the cell membrane


the process by which a cell engulfs large particles or whole cells, either as a defense mechanism or as a means to obtain food


process by which a cell takes in liquid from the surrounding environment

hypotonic solution

in cells, solution in which the concentration of dissolved substances is lower in the solution outside the cell than the concentration inside the cell; causes a cell to swell and possibly burst as water enters the cell

hypertonic solution

in cells, solution in which the concentration of dissolved substances outside the cell is higher than the concentration inside the cell; causes a cell to shrink as water leaves the cell

isotonic solution

a solution that produces no change in cell volume because of osmosis

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