Bestudeer figure 1 en 2 hieronder en beantwoord die vrae wat volg - NSC Life Sciences - Question 2 - 2016 - Paper 1
Question 2
Bestudeer figure 1 en 2 hieronder en beantwoord die vrae wat volg.
**Figuur 1**
**Figuur 2**
1.1 Identifiseer die prosesse wat in figure 1 en 2 aangetoon word. (2... show full transcript
Worked Solution & Example Answer:Bestudeer figure 1 en 2 hieronder en beantwoord die vrae wat volg - NSC Life Sciences - Question 2 - 2016 - Paper 1
Step 1
Identifiseer die prosesse wat in figure 1 en 2 aangetoon word.
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Answer
Die prosesse wat in figure 1 en 2 aangetoon word, is DNA replisering en Transkripsie.
Step 2
Watter EEN van die prosesse aangetoond in figure 1 vind plaas voordat seldeling begin?
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DNA replisering vind plaas voordat seldeling begin.
Step 3
Voorspel die resultaat indien die prosesse genoem in VRAAG 1.2 nie plaasvind nie.
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Indien DNA replisering nie plaasvind nie, sal die selle nie die nodige genetiese materiale hê om te deel nie, wat kan lei tot sel dood.
Step 4
Wat is die spesifieke naam vir hierdie fout?
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Die spesifieke naam vir hierdie fout is 'mutasie'.
Step 5
Noem EEN TWEE oorsake van die fout in VRAAG 1.4 genoem.
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EEN oorsaak van die fout kan blootstelling aan skadelike UV strale wees, en TWEE oorsaak kan genetiese aanleg wees.
Step 6
Skryf van links na regs, die correcte basisvolgorde van kodons 1 tot 6 neer.
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Die correcte basisvolgorde van kodons 1 tot 6 is: GTS, CTG, SAS, GUG, SAS, GUG.
Step 7
Noem TWEE redes waarom DNS-profilering nie altyd betroubaar is nie.
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Twee redes is dat dit moontlik vals positiewe kan lewer en dat menslike fout in die analise plaasvind.
Step 8
Lys TWEE bronne van DNS-bewyse by misdadenaars.
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Twee bronne van DNS-bewyse kan bloedspore en haarfollikels wees.