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growth/development and cell divison

the two parts of the cell cycle


when the nucleus divides to form two identical nuclei

steps of mitosis

interphase, prophase, metaphase, anaphase, telophase

asexual reproduction

a new organism is produced from one organism

fission, budding, and regeneration

can also be used for asexual reproduction


cell formed in fertilization


occurs in reproductive organs, producing four haploid cells

in meiosis

four new sex cells are produced

meiosis ensures

offspring produced by fertilization have the same number of chromosomes as their parents


large molecules made up of two twisted strands of sugar-phosphate molecules and nitrogen bases


the section of DNA on a chromsome that directs the makeing of a specific protein


when DNA copys itself and is the pattern of blank

types of RNA/ used to make proteins

messenger, ribosomal, and transfer


permanent changes in DNA while in the process


when cells have similar chromosomes


a structure in the nucleus that contains heredity material


the joining of the egg and sperm

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