1-4 hw solutions (DNA,meiosis,reproduction).pdf

1-4 hw solutions (DNA,meiosis,reproduction).pdf - SECONDARY...

Info icon This preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
© Gauteng Department of Education 1 SECONDARY SCHOOL IMPROVEMENT PROGRAMME (SSIP) 2015 GRADE 12 SUBJECT: LIFE SCIENCES LEARNER HOMEWORK SOLUTIONS SESSIONS 1 TO 4
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
© Gauteng Department of Education 2 SESSION NO: 1 TOPIC: DNA - CODE OF LIFE SOLUTIONS TO HOMEWORK 1.1. B  1.2. A  1.3. D  1.4. C  1.5. A  1.6. B  1.7. D  1.8. C  1.9. B  1.10. D  (10 X 2) = (20) 2.1. To increase the reliability of the results 2.2. 1:1 /(90:90) 2.3. In a DNA molecule, thymine always pairs with adenine /thymine and adenine are complementary bases 2.4. 29 x 360 º = 104,4 º /104 º 100 31 x 360 º = 111,6 º /112 º 100 21 x 360 º = 75,6 º /76 º 100 19 x 360 º = 68,4 º /68 º 100
Image of page 2