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7 Cards in this Set

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Explain the role the following cellular components play in the storage, expression or transmission of genetic info. a)chromatin
genetically active spread out chrom. form of interphase. Chromatin cont. genetic material that is responsible for maintaining hereditary info and prod. of phenotype
Explain the role the following cellular components play in the storage, expression or transmission of genetic info. nucleolus
composed of ribosomal DNA and protein. structure that is prod. by the activity of the nucleolar organizer region in eukaryotes
Explain the role the following cellular components play in the storage, expression or transmission of genetic info. ribosome
struct. where various RNAs, enzymes and other molec. speceis assemble the primary seq. of a protein
Explain the role the following cellular components play in the storage, expression or transmission of genetic info. mitochondrion
mitochondrion is a memb. bound struct located in the cytoplasm of eukaryotic cells. Production of large amnt of ATP
Explain the role the following cellular components play in the storage, expression or transmission of genetic info. centriole
cytoplasmic structure involved in migration of chroms during mitosis and meiosis-- prim. in animal cells
Explain the role the following cellular components play in the storage, expression or transmission of genetic info. centromere
attatchment point for sister chromatids and a region where spindle fibers attch to chromosomes (kinetochore). Non disjunction can occur if spind. fibers or centromeres do not function properly
Chroms that are homologous share these properties...
overall length, pos. of centromere, banding patterns, type and location of genes, autoradiographic phase (tend to replicate during same time of S phase)