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22 Cards in this Set
- Front
- Back
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What are the differences between a Prokaryote and a Eukaryote (DNA)
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Prokaryote-DNA coiled free in cytoplasm, plasmids
Eukaryote-DNA linear in nucleus, mitochondria |
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What is DNA composed of?
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made of nuceotides (ribose deoxy)
a phosphate base adnine guanine thymine cystosine (rna uricil) a-t c-g |
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Barr Body
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is the inactive X chromosome in a female cell, or the inactive Z in a male
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leptin mutation
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stop codon
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Diploid/ Euploid
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a cell with 46 chromosomes
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haploid
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a cell with 1/2 pr23 chromosomes
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aneuploidy
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the cell does not contain the euploid number
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polysomy
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extra chromasome
downs XXY klienfellters |
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chromosomal disorders
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problems with sex chromosome
autosomal dominant autosomal recessive x link disease |
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sex chromosome +/-
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turner xo
klinefelter xxy barr bodie |
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autosomal disorders dominant
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-familia hypercholesterolemia
-huntingtons neurofibromatosis elephatiasis |
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autosomal recessive
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2 copy for expression
CF PKU-phenylkentouria albinism sickle cell |
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x linked disease
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duchanne MS
G6PDH hemolytic anemia hemophellia |
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Mitosis
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2 identical daughter cells
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meiosis
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4 haploid cells
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What is a chromatid
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during s phase the chromosomes are duplicated. During mitosis the duplicants are refered to as sister chromatids
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what is p53
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Gaurdian of the genome
TSG tumor suppression gene |
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meiosis
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sex cells
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what are the hormones involved with reproduction
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GnRH
LH FSH estrogen, androgenes |
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endocrine
paracrine autocrine |
blood stream
adjacent cell same cell |
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Male reproductive
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gamateogenisis=seminiferous
regulated by FSH(growth), LH(releases testosterone paracrine/edocrine) |
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sperm meiosis
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stem cell
primary spermatocyte 1 secondary spermatocyte 2 spermatid 4 spermatizoa 4 |
