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BIOL116 cellbio

UC human biology (2026 +)

QuestionAnswer
Nucleus Contains genetic info of the cell and controls all activities in the cell
Structural features of nucleus Double layered membrane, nuclear pore, chromosomes, nucleosus
Interphase Long period of growth between cell divisions
Mitotic phase Cell division
G1 (first gap) Primary growth phase, active growth
S (Synthesis) Synthesis of DNA for the next cell division
G2 (second gap) Final growth phase before cell division
Mitosis Duplicated DNA is distributed between two daughter nuclei, nucleus divides
Cytokinesis Cytoplasm divides, two daughter cells are formed
Human DNA 46 chromosomes,
Gene Short segment of DNA that contains the code for a protein
DNA replication Process of copying DNA prior to cell division
DNA replication process Ribosome unzips the double helix DNA. Surrounding bases match with the opposing bases and form two new replicated DNA strands.
Mutation Permanent change in DNA. Can be caused by chemical or physical properties
Somatic cell mutations Not passed on
Gamete cell mutations Passed on
G1 gate Big enough? Enough nutrients? DNA intact?
G2 gate DNA replication complete? Cell ready for mitosis?
M: All chromosomes properly attaching to spindle and aligned?
Created by: user-2056057
 

 



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