Arts Of Life

Study Guide Exam 3 1.   get the phases of mitosis and miosis swell up: Mitosis: chromosome number does not change A) Prophase- centrosomes perish to opposite sides/ thermonuclear envelope disappears/ spindles attach/ 4 duplicated chromosomes B) Metaphase- myotic spindles line up chromosomes along imaginary center (metaphase plate) spinder fibers process center the chromosomes (centrioles- take a crap protein fibers/ spindle) C) Anaphase- spindles propose shorter/ classify chromosomes / cell stretches/ 4 unduplicated chromosomes. D) Telophase- nuclei starts to form E) Cytokinesis- cell splits becomes 2 cells reduction division: only for sex cells diploid to haploid (46 chromosomes to 23 chromosomes) meiosis- makes spermatozoan + egg cells/ homologous chromosomes have like inheritable info. light reflex 1: A) Prophase 1- nucleus breaks down the centrosomes start press retail store in opposite directions/ then crossover (chr omosomes exchange hereditary material) B) Metaphase 1- homologous pairs line up/ held together at sites of get across over C) Anaphase 1- migration of paired chromosomes to poles (2 mho + 2 atomic number 7) if a chromosome 21 goes north instead of south you get down syndrome) D) Telephase+ Cytokinesis- splinter into 2 cells (sperm + egg) the nucleolus comes back.

Meiosis 2- equivalent as mitosis, but creates much chromosomes (haploid to diploid) makes more of the same cells and ends up with 4 cells with 2 chromosomes in each. No Interphase or Cytokinesis in meiosis 2. 2.      Know about interphase and desoxyribonucleic acid gemination: Growth 1 (cells gro w/ multiply)- desoxyribonucleic acid duplica! tion- Growth 2 continues getting ready for Mitosis. Synthesis (S), in which the cell duplicates its DNA 3.      Know what homologs ar and when they separate: Homologs are cells similar in size, shape and genetic material, separate at Anaphase 1. 4.      Know what diploid and haploid are and the number of chromosomes in the human beings gametes: haploid (23) is half the number of diploid (46), 46 chromosomes in human...If you want to get a full essay, array it on our website: OrderEssay.net

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