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SAMENVATTING: Grondslagen van de biologie SEMESTER 1

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SEMESTER 1 GRONDSLAGEN VAN DE BIOLOGIE. Gegeven aan biomedische wetenschappen, maar dit is het deel gegeven in het eerste semester met de leerstof voor het oefenexamen voor schakelstudenten Seksuologie. PPT + inleidende teksten + nota's les. Geslaagd in eerste zit.

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  • De delen behandeld in het vak 'grondslagen van de biologie' in het eerste semester.
  • July 21, 2022
  • 79
  • 2021/2022
  • Summary
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INHOUD

1. De cel.............................................................................................................. 6
1.1. Inleiding ................................................................................................................................................. 6
1.1.1. Hoe ziet een typische cel eruit? ............................................................................................................ 6
1.1.2. Karakteristieken van een cel ................................................................................................................. 6
1.1.3. De celtheorie ......................................................................................................................................... 7
1.1.4. Waarom zijn cellen klein? ..................................................................................................................... 7
1.2. De structuur van de prokaryote cellen ................................................................................................... 7
1.3 Endosymbiose en het ontstaan van de eukaryote cellen ........................................................................ 8
1.4. Algemene structuur van de eukaryote cel ............................................................................................. 8
1.4.1. De celorganellen ................................................................................................................................... 8
1.4.1.1. De celkern ...................................................................................................................................... 8
1.4.1.2. Mitochondria .................................................................................................................................. 9
1.4.1.3. Chloroplasten ............................................................................................................................... 10
1.4.1.4. Plasmamembraan ........................................................................................................................ 11
1.4.1.5. Golgi complex ............................................................................................................................... 11
1.4.1.6. Endoplasmatisch reticulum .......................................................................................................... 12
1.4.1.7. Lysosomen .................................................................................................................................... 12
1.4.1.8. Peroxisomen ................................................................................................................................. 13
1.4.1.9. Centriolen ..................................................................................................................................... 13
1.4.1.10. Chromosomen ............................................................................................................................ 13
1.4.1.11. Cytoskelet ................................................................................................................................... 14
1.4.1.12 Flagella ........................................................................................................................................ 15

2. Reproductie van cellen ................................................................................. 16
3. Virussen ........................................................................................................ 16
3.1. Definitie en oorsprong ......................................................................................................................... 16
3.2. Geschiedenis........................................................................................................................................ 16
3.3. Structuur en replicatie ......................................................................................................................... 16
3.3.1. Bacteriofagen ...................................................................................................................................... 16
3.4. Virus classificatie op basis van nucleïnezuur ........................................................................................ 18
3.4.1. Retrovirussen ...................................................................................................................................... 18
3.4.2. RNA-virussen ....................................................................................................................................... 18
3.4.3. DNA-virussen ....................................................................................................................................... 18
3.5. Tumoren veroorzaakt door virussen .................................................................................................... 19
3.6. Prionen (proteinaceous infectious particles)........................................................................................ 19


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, 3.7. Viroiden ............................................................................................................................................... 19

4. Prokaryoten .................................................................................................. 19
4.1. Fundamentele verschillen van prokaryoten tegenover eukaryoten ..................................................... 20
4.1.1. Plasmamembraan - membraanlipiden ................................................................................................ 20
4.1.2. Celwand ............................................................................................................................................... 21
4.1.2.1. Externe lagen, structuren ............................................................................................................. 22
4.1.3. DNA replicatie ..................................................................................................................................... 22
4.1.3.1. Transformatie ............................................................................................................................... 23
4.1.3.2. Transductie ................................................................................................................................... 23
4.1.3.3. Conjugatie .................................................................................................................................... 24
4.1.4. Genexpressie ....................................................................................................................................... 24
4.1.5. Mutaties .............................................................................................................................................. 24
4.1.6. Metabolisme van Prokaryoten ............................................................................................................ 25
4.2. Bacteriële ziekten bij de mens ............................................................................................................. 25
4.3. Voordelige prokaryoten ....................................................................................................................... 26

5. Prostita ......................................................................................................... 26
5.1 Ontstaan eukaryoten ............................................................................................................................ 26
5.2 Algemene kenmerken van prostita ....................................................................................................... 28
5.3 Soorten prostita.................................................................................................................................... 28
5.3.1 Excavata ............................................................................................................................................... 28
5.3.1.1 Diplomonada ................................................................................................................................. 28
5.3.1.2 Parabasalia .................................................................................................................................... 29
5.3.1.3 Euglenozoa .................................................................................................................................... 29
5.3.2 Alvelolaten ........................................................................................................................................... 31
5.3.2.1 Dinoflagellaten .............................................................................................................................. 31
5.3.2.1 Apicomplexa .................................................................................................................................. 31
5.3.2.2 Ciliata............................................................................................................................................. 33
5.3.3 Amoeba – Rhizopoda (Amoebozoa) ..................................................................................................... 34

6. Diversiteit en evolutie van bouwplan ............................................................ 34
6.1 Definitie van een dier ........................................................................................................................... 34
6.2 Variatie in lichaamsbouwplan............................................................................................................... 34
6.2.1 Ontwikkeling van weefsels ................................................................................................................... 34
6.2.2 Evolutie van symmetrie ........................................................................................................................ 35
6.2.3 Ontwikkeling van een lichaamsholte ................................................................................................... 35
6.2.4 Evolutie van verschillende patronen van ontwikkeling ........................................................................ 36
6.2.5 Evolutie van segmentatie ..................................................................................................................... 38

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, 6.3 Actuele classificatie van dieren ............................................................................................................. 38
6.3.1 Phylum porifera (sponzen) ................................................................................................................... 39
6.3.1.1 Lichaamsbouw............................................................................................................................... 39
6.3.1.2 Lichaamsfuncties ........................................................................................................................... 39
6.3.2 Phylum Cnidaria (neteldieren) ............................................................................................................. 39
6.3.2.1 Lichaamsopbouw .......................................................................................................................... 39
6.3.2.2 Lichaamsfuncties ........................................................................................................................... 40

7. Protostomen................................................................................................. 41
7.1 Phylum Platyhelminthes (platwormen) ................................................................................................ 41
7.1.2 Lichaamsopbouw ................................................................................................................................. 41
7.1.2 Lichaamsfuncties .................................................................................................................................. 41
7.1.3 Classificatie ........................................................................................................................................... 41
7.1.3.1 Turbellaria / trilhaarwormen......................................................................................................... 41
7.1.3.2 Tremadoda / zuigwormen ............................................................................................................. 41
7.1.3.3 Cestoda / Cercomeromorpha / lintwormen.................................................................................. 42
7.2 Phylum Annelida (ringwormen – gelede wormen) ................................................................................ 43
7.2.1 Lichaamsopbouw ................................................................................................................................. 43
7.2.2 Lichaamsfuncties .................................................................................................................................. 44
7.2.3 Classificatie ........................................................................................................................................... 44
7.2.3.1 Hirudinea (bloedzuigers) ............................................................................................................... 44
7.3 Phylum Nematoda (rondwormen) ........................................................................................................ 44
7.3.1 Lichaamsopbouw ................................................................................................................................. 44
7.3.2 Lichaamsfuncties .................................................................................................................................. 45
7.4 Phylum anthropoda (geleedpotigen) .................................................................................................... 46
7.4.1 Lichaamsopbouw ................................................................................................................................. 46
7.4.2 Lichaamsfuncties .................................................................................................................................. 46
7.4.3 Classificatie ........................................................................................................................................... 47
7.4.3.1 Insecta (insecten – hexapoda)....................................................................................................... 47

8. Deuterostomen............................................................................................. 48
8.1 Phylum Echinodermata (stekelhuidigen) .............................................................................................. 48
8.1.1 Lichaamsbouw...................................................................................................................................... 49
8.1.2 Lichaamsfuncties .................................................................................................................................. 49
8.1.2 Toepassingen........................................................................................................................................ 50
8.2 Chordata ............................................................................................................................................... 50
8.2.1 Kenmerken chordata ............................................................................................................................ 50
8.2.1 Classificatie ........................................................................................................................................... 50


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, 8.3 Subphylum Urochordata (manteldoeren) ............................................................................................. 51
8.4 Subhylum Cephalochordata (lancetvisjes) ............................................................................................ 51
8.5 Subphylum Somatochordata / vertebrata ............................................................................................ 51
8.5.1 Agnatha ................................................................................................................................................ 52
8.5.1.1 Myxini ............................................................................................................................................ 53
8.5.2 Echte vissen .......................................................................................................................................... 53
8.5.2.1 Chondrichthyes (kraakbeenvissen) ............................................................................................... 53
8.5.2.2 Beenvissen..................................................................................................................................... 54
8.5.3 Amphibia .............................................................................................................................................. 55
8.5.3.1 Typische kenmerken ..................................................................................................................... 55
8.5.3.2 Levenswijze ................................................................................................................................... 56
8.5.3.3 Classificatie .................................................................................................................................... 56
8.6 Reptilia ................................................................................................................................................. 56
8.6.1 Levenswijze .......................................................................................................................................... 57
8.6.2 Evolutie en classificatie ........................................................................................................................ 57
8.7 Aves ...................................................................................................................................................... 58
8.7.1 Typische kenmerken ............................................................................................................................ 58
8.7.2 Levenswijze .......................................................................................................................................... 59
8.7.3 Classificatie ........................................................................................................................................... 59
8.8 Mammalia ............................................................................................................................................ 59
8.8.7 Typische kenmerken ............................................................................................................................ 59
8.8.8 Levenwijze ............................................................................................................................................ 60
8.8.9 Classificatie ........................................................................................................................................... 60
8.8.9.1 Monotremata ................................................................................................................................ 60
8.8.9.2 Superorde Metatheria Orde Marsupiala ....................................................................................... 61
8.8.9.3 Superorde Eutheria of Placentalia................................................................................................. 61
8.8.10 Evolutie van primaten ........................................................................................................................ 61

10. Opbouw en regulatie van het lichaam ........................................................ 62
10.1 Organisatie van het vertebratenlichaam ............................................................................................. 62
10.2 Weefsels ............................................................................................................................................. 63
10.2.1 Steunweefsels .................................................................................................................................... 63
10.2.1.1 Gewoon bindweefsel .................................................................................................................. 63
10.2.1.2 Speciaal bindweefsel ................................................................................................................... 63
10.2.2 Spierweefsel ....................................................................................................................................... 64
10.1.2.1 Glad spierweefsel ........................................................................................................................ 64
10.1.2.2 Skeletspieren ............................................................................................................................... 64


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