DNA'Replication WorksheetDIHECTI(}hlS. Answer the roil owing questions about DNA repJicatlon in ccmpletesentences

1. Why does DNA replIcate? '

2. IsDNAreplicatlonciesc~beas conservative orsemi~CDnservative? \\lhy?

3, \Nhat 2 enzymes are used dunngDNA replication? Descr!bewhafeachdOesdurlngrepHcatiort

, '

4. When does DNArepiicationoccurin a cell?

5, Where does DNArepllcatiolloCcurin aoefl?

TruelFal5e- ffthe statement i~Jalse:~~t'lrre:ctthestatemertt.

r or F - Cyt{)SiIi8, gLi~nine, thyrrriM Emdad~rljn~arereferredio asphosohate§..

lor F - DNA<is ttl thE!s,it~pe of a helix." '

Tor F - A nucleotide jsm~deuPofasuoat.ph6sphateandh",1\) nltrooon base~." '

r or F- ReplicatiOnfs perrormedpriotto celldivisloft

lor F'~AdenrneaJWays paTrswfth,g!1anihe.

r or F~ The sideS of the DNA mOlecule are made up ofrspealingnltroaen basM ..!8f1dsua3rs;.

T brF~, The letters thai: make UP th~bN.1'\molecule codefof oenes." . ", . ,'.-

..... . .". .' . ". ," . .

Ton:=:- Replicatkm results In tv,tb strands ofDN.A,eaChofwhi(':h has halfofthe orioir"tsi strand.,", . .. .. '", . -," . ".

Tor'F -Covalentbonds hold nitroge:n bases IDgether, forming the ring~ aftl:-te DNA ladder.. . .. ,".

Sentence Arrange - PLit thesleps of DNA rep Heation i'riorder by \vriting a number in tIle spm:::e beforeeach statement , ,, ',,', ' ,,,' ", ," " Two new mnle:Ctlles of DNA are created. ",_''__ ' ~ DNApoiyrneraseatiachlhefree-floating nucleotidesto iheexposed nifrogen bases.__ --" HeHcase'l:\.eginstobreak thehydrogen'bon6s'betvveennrtrogen bases~ "__ ~ Cell starts into the mitosis phase of thecef! cycle,-'-' __ Free floating huc!eotides'pafrup wim'ex'p6sedhiifogellbases.

Complete thestalernenf_-.;."'"- ........~...;, guanine, 6ytosine,arid Ihymineare the four nitrogen bases.In DN/i.., aiwaysfomis hydrogen btin:asWithguanineThe sequence or , carries thegeneUctnformaUon of annfganismThe proCBSS of producesanew copy otan organism'S genetic informatiDn.The double coiled shape or DNA iscaHeda _~ __ ~~_--"-~,

DNARep1i(~ation

11'i~ '[l~'lt>r ~\l"~t'.ph' (,):tI')J";,t r'·'"~li'r'~tj"'n'·J'y" .. l)>> ;"'Y'f'.-,nf ""Oi"'l'("l i) ;); •.1.., ,t,"f.lt. LU_vW.,":" ..... '-''-'J,~8 J. l,."i~":-'l.", .t:.:J.,.;, n'''''''''-'\' ':.,l...1 '.t.:.. t,.;,L.v :..~'l,d.: :t.~.i..r- VJ ......... .J..~. ,1.,;._~ t.}/_

-.--..-~ Di\ug-hLet st:randsare fOrlt1NtllSillg comµlenU;'T1J:ary bascpail1:ug.,_C, " DN/;" !ill'WlnQs-~~~~The DNA of the daught.er ,'i,trandswirids tvith together ">'lin iLspar-e1lt. stnthci..