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Eukaryotic Cell Cycle and Cancer In Depth Workshee

In-depth exploration of the cell cycle and protein regulators via Click & Learn. Covers cell division in unicellular vs. multicellular organisms, adult regeneration, and the role of growth factors.

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Bic I n t e r a c t i v eClick & LearnStudent WorksheetDieEukaryotic Cell Cycle and CancerIn DepthTo usethis document. fustreadthe fnshuctvns and FAQs This document is made available by the Howard HughesMedical Institute. Using this document you agreefo trse this document in accordancewith the Terns of UseINTRODUCTIONThis handout complements the Click Si Learn T.ne £u.koryoiic Ce.'i' Cyo'e o r d Concer and is intended as amin-depth examination of the cell cycle and the protein players involved. Fora more general overview, please seethe overview version.PROCEDUREFollow the instructions as you proceed through the Click S. Learn and answer the questions in the spaces below.Click on theBackground" tab onthe rightside.1.Compare and contrast the reasons cell division is important for unicellular |single-celled) and multicellularorganisms.Far single-celled organisms division is important because it is tti eir only mode of reproduction, thus they need it toprevent extinction. For Multicellular organisms, cell division is used as a growth mechanism and to replace old and deadcells, allowing the organism to funotion.2.Provide an example of why ceII division re ma ins im portent to an adult orga nism even afte r it is fu Ilydeveloped.For an adult organism, cell division remains essential because it can allow for replacement of dead cells andcan help heal wound s and mend broken bones. It is a basi c functio n i n huma ns to h ave cel I tu mover so t hatyour organs remain efficient and functional3.Vi'hat is the role of growth factors?Growth factors give signals to cells in ord er to make them divide. W i t h o u t these factors there would be no celldivision4.Cells divide, differentiate, or die. What is differentiation?Differentiation is when a cell stops dividinginorder to specialize in a particular function, also changing theirstructure as a result.5.What is apoptosis? Explain its purpose.Apoptosis is used to eliminate unnecessary, damaged, or unhealthy cells through what is in essence aprogrammed death for the cell.E.Orga nism s rr aintai n the ri ghtnum ber of cel Is by regu latlng the celI cycle. W hat are "cell cycl e regu lato rs?Th ey fu nctio n as molecular signaIs to initiate cel I deat h, pro m pt or cease ceII divisio n, o r di rect cel Is to undergodifferentiationCell Cyde« w w .3i aInte -a c±r.e . cnjUpdsted Fea-LBry 2020P a s e l nT7

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Biology

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