Life Sciences Memo 2 (Afrikaans)

May-June 2023 — Grade 12 / Matric — Life Sciences

Memo 2023 Grade 12 Afrikaans Life Sciences Hub →

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🎯 150 marks 📄 11 pages 📝 41 items found 📚 1 topics

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1.2.7Onvolledige dominansie Chiasma /chiasmata Transkripsie Deoksi ribose Water stof

1.3.3Beide en Geeneen Slegs (3 x 2\ (6\

1.4.1(a\ (b\ (c\ Prof ase Ses/6 Drie /3

1.4.2(a\ (b\ (c\ Kernmembraan Selmembraan plasmalemma/plasmamembraan Kernplasma /nukleoplasma

1.4.3Testes Ovariums Merk slegs eerste TWEE (1\ (1\

1.5.1Dihi bri kruising (1\

1.5.2(a\ (b\ Gladde stingel Verlengde vrugte (1\ (1\

1.5.3(a\ (b\ nnrr /nrnr/rrnn Gladde stingel ronde vrugte (2\

1.6.1Karabo (1\

1.6.2Australopithecus africanus (1\

1.6(a\ (b\ Lee Berger Raymond

2.1.1(a\ (b\ Amino suur bRNS mRNA (1\ (1\

2.1.2(a\ (b\ TAC GUA (2\ (1\

2.1.3Translasie Elke oRNS/tRNA dra n spesif ieke aminosuur Wanneer die antikodon op die

2.2Kodon GAC op die bRNS/ mRNA\ het verander na GAU

2.3DN S/ DNA RNS/ RNA Het d eoksiribose suiker Het r

2.4.1(a\ (b\ (c\ Chr omosoom muta sie Nie

2.4.2Die chromosoompaar /chromatiede skei nie by posisie 21 gedurende anafase nie (I of II\

2.4.3By Trisomie 21 is daar n ekstra chrom osoom

2.5.1

2.5.2Een /1 (1\

2.5.3Individue en is beide sonder Tay Sachs

2.5.4TT tt (2\ (10\ ewenswetenskappe/V2 DBE/ 202

2.6Fenoti pe Vrou sonder hemofilie Man met

3.1.1Om vas te stel watter bloedgroep was die algemeenste in hulle gemeenskap (2\

3.1.2(a\ (b\ (c\ Kry toestemming van die skool kliniek om die ondersoe

3.1.3x 600 = 90 deelnemers (3\

3.1.4(a\ (b\ Bloedgroep Bloedgroep \B (1\

3.1.5(2\ (14\

3.2.1Kunsmatige seleksie selektiewe teling (1\

3.2.2Hulle het honde met verlangde eienskappe gekies en hulle laat kruisteel om nageslag te produseer met hierdie eienskappe (3\

3.2.3Laat hulle toe om met mekaar te kruisteel en kyk of hulle vrugbare nageslag produseer OF Analise van DNS /DNA om te kyk vir soortgelyke

3.2.4Rhodesiese rif rug is sterk atleties

3.2.5Weens die verkleining in geenpoel /variasie is hul nie in staat om te jag skuiling

3.3As n bevolking wat uit n enkele spesie best aan deur n geografiese

3.4.1Filogenetiese stamboom /k ladogram (1\

3.4.2(a\ (b\ (1\ (1\

3.4.3(a\ (b\ Bonobo Sjimpans ee (Merk slegs eerste TWEE\ Orangoe tan

3.4.4

3.5.1

3.5.2Fossiele van Ardipithecus is slegs in Afrika gevind Fossiele van Australopithecus

Topics Identified

Genetics

Mark Allocation

Total150 marks

Sections50 + 50 = 100 marks

Paper information

SubjectLife Sciences

Year2023

SessionMay-June

TypeMemo

PaperPaper 2

LanguageAfrikaans

Pages11

Downloads4

Examination context

Decade2020s

Years ago3y

Season—

Start day—

Exam period—

Days since exam—

About Life Sciences examination preparation

Grade 12 Life Sciences combines biological knowledge with interpretation and scientific reasoning. Paper 1 covers molecular biology, genetics, and cell biology, while Paper 2 tests human physiology, ecology, and evolution.

Every available Grade 12 Life Sciences past paper and memorandum is collected in the Life Sciences hub at life-sciences.freemode.co.za — browse all years, sessions and languages in one place.

How to use this resource for revision

A past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?

For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

recalling biological concepts

applying knowledge to unfamiliar situations

interpreting diagrams and information

using scientific terminology

constructing precise written responses

A practical revision approach

Life Sciences rewards exact biological terminology — examiners deduct marks for paraphrased definitions. Create a glossary of key terms and practice using them in context.

Grade 12 subject hubs

Each matric subject has its own dedicated hub on Freemode with every past paper and marking memorandum we have archived for that subject.

➗ Mathematics View papers → 📊 Mathematical Literacy View papers → ⚗️ Physical Sciences View papers → 🧬 Life Sciences 📍 You are here 📒 Accounting View papers → 💼 Business Studies View papers → 📈 Economics View papers → 🌍 Geography View papers → 🏛️ History View papers → 📖 English View papers → 🇿🇦 Afrikaans View papers → 🗣️ IsiNdebele View papers → 🗣️ IsiXhosa View papers → 🗣️ IsiZulu View papers → 🗣️ Sepedi View papers → 🗣️ Sesotho View papers → 🗣️ Setswana View papers → 🌾 Agricultural Sciences View papers →

Corresponding examination paper

Examination paper available

Open the corresponding examination paper to practise the questions before reviewing the marking memorandum on this page. Attempt every question under timed conditions for the most realistic preparation.

Life Sciences Paper 2 (Afrikaans) →

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