From ba72abee37660ba99fa9021b002842e45ffea167 Mon Sep 17 00:00:00 2001 From: Johan Dahlin Date: Sat, 29 Nov 2025 23:59:58 +0100 Subject: [PATCH] Add images, reformat slightly --- content/Biokemi/Gamla tentor/2022-05-16/5.md | 2 +- content/Biokemi/Gamla tentor/2023-05-15/1.md | 2 ++ content/Biokemi/Gamla tentor/2023-05-15/16.md | 1 + content/Biokemi/Gamla tentor/2023-12-18/10.md | 2 ++ content/Biokemi/Gamla tentor/2023-12-18/36.md | 2 ++ content/Biokemi/Gamla tentor/2023-12-18/6.md | 2 +- content/Biokemi/Gamla tentor/2024-01-27/10.md | 1 + content/Biokemi/Gamla tentor/2024-01-27/6.md | 10 +------- content/Biokemi/Gamla tentor/2024-05-15/17.md | 2 ++ content/Biokemi/Gamla tentor/2024-05-15/2.md | 1 + content/Biokemi/Gamla tentor/2024-05-15/6.md | 1 + content/Biokemi/Gamla tentor/2024-08-01/34.md | 4 +++- content/Biokemi/Gamla tentor/2024-08-01/35.md | 23 ++++--------------- content/Biokemi/Gamla tentor/2024-08-01/5.md | 2 ++ content/Biokemi/Gamla tentor/2024-12-20/1.md | 2 ++ content/Biokemi/Gamla tentor/2024-12-20/2.md | 2 +- content/Biokemi/Gamla tentor/2025-02-01/16.md | 2 +- content/Biokemi/Gamla tentor/2025-02-01/6.md | 2 ++ 18 files changed, 31 insertions(+), 32 deletions(-) diff --git a/content/Biokemi/Gamla tentor/2022-05-16/5.md b/content/Biokemi/Gamla tentor/2022-05-16/5.md index b3036c6..9b66ee9 100644 --- a/content/Biokemi/Gamla tentor/2022-05-16/5.md +++ b/content/Biokemi/Gamla tentor/2022-05-16/5.md @@ -13,4 +13,4 @@ Myoglobin består av en subenhet och har mycket affinitet för syre. Myoglobin h Tillskillnad från myoglobin består hemoglobin av fyra subenheter. Hemoglobin har inte lika brant dissociationskurva, vilket innebär att hemoglobin är lämplig för transport av syre. Hemoglobin blir oxyform i lungorna där syrehalten är stor. I musklerna släpper hemoglobinet sina syre atomer gradvist och till slut blir den deoxyform. -*(Figur med två syredissociationskurvor i originalet.)* \ No newline at end of file +![[Pasted image 20251129234842.png]] diff --git a/content/Biokemi/Gamla tentor/2023-05-15/1.md b/content/Biokemi/Gamla tentor/2023-05-15/1.md index 53b26d9..f629370 100644 --- a/content/Biokemi/Gamla tentor/2023-05-15/1.md +++ b/content/Biokemi/Gamla tentor/2023-05-15/1.md @@ -16,3 +16,5 @@ C) pH 12 A) Vid lågt pH finns mycket fria H⁺, aminogruppen kommer att vilja motverka pH-sänkningen och ta upp en H⁺ och får således en positiv laddning. B) Vid neutralt pH kommer aminosyran vara en zwitterjon, dvs ha både en positiv och en negativ laddning men ingen nettoladdning. C) Vid högt pH kommer karboxylgruppen vilja motverka detta genom att avge H⁺, därav kommer denna att få en negativ laddning. + +![[Pasted image 20251129235001.png]] \ No newline at end of file diff --git a/content/Biokemi/Gamla tentor/2023-05-15/16.md b/content/Biokemi/Gamla tentor/2023-05-15/16.md index fda53c0..1b5d617 100644 --- a/content/Biokemi/Gamla tentor/2023-05-15/16.md +++ b/content/Biokemi/Gamla tentor/2023-05-15/16.md @@ -5,6 +5,7 @@ tags: - provfråga - transport-över-cellmembran --- +![[Pasted image 20251129235023.png]] Proteinet på bilden utför transport. A) Vilken klass av transportörer tillhör proteinet? diff --git a/content/Biokemi/Gamla tentor/2023-12-18/10.md b/content/Biokemi/Gamla tentor/2023-12-18/10.md index 26a1c76..7b8a432 100644 --- a/content/Biokemi/Gamla tentor/2023-12-18/10.md +++ b/content/Biokemi/Gamla tentor/2023-12-18/10.md @@ -7,6 +7,8 @@ tags: --- **På bilden syns en eukaryot replikationsgaffel. Fyra olika replikationsfaktorer är markerade på denna bild. Vad heter de olika faktorerna vid pil a, b, c och d? (4p)** +![[Pasted image 20251129235154.png]] + **Svar** a) CMG-helikas diff --git a/content/Biokemi/Gamla tentor/2023-12-18/36.md b/content/Biokemi/Gamla tentor/2023-12-18/36.md index 73a43f8..d2cdd99 100644 --- a/content/Biokemi/Gamla tentor/2023-12-18/36.md +++ b/content/Biokemi/Gamla tentor/2023-12-18/36.md @@ -7,6 +7,8 @@ tags: --- *You amplified a gene of interest using the blue/white screening method. You extracted plasmids from two bacterial colonies (one blue colony and one white colony), then performed restriction enzyme digestion and ran the samples on a gel as follows: blue uncut, blue cut, white uncut, white cut (see gel below). When imaging the gel, however, you notice there is a faint band in the blue cut sample (see arrow), which should not be there. Explain why the faint band should not be present in that sample and what are the possible sources of error for this outcome? Refer to the size/number of bands in comparison to the bands in the other lanes for your explanation. This questions needs to be answered in English. (4p)* +![[Pasted image 20251129235214.png]] + **Answer** The blue samples are samples with no DNA-insert. diff --git a/content/Biokemi/Gamla tentor/2023-12-18/6.md b/content/Biokemi/Gamla tentor/2023-12-18/6.md index c129a08..d8856b1 100644 --- a/content/Biokemi/Gamla tentor/2023-12-18/6.md +++ b/content/Biokemi/Gamla tentor/2023-12-18/6.md @@ -12,6 +12,6 @@ b) Visa hur kolesterol orienteras i ett membran. **Svar** -På papper. +![[Pasted image 20251129235131.png]] *(Ritning av kolesterol och dess orientering i ett fosfolipiddubbellager finns på sida 11 i original-PDF.)* \ No newline at end of file diff --git a/content/Biokemi/Gamla tentor/2024-01-27/10.md b/content/Biokemi/Gamla tentor/2024-01-27/10.md index 99d307f..7695c39 100644 --- a/content/Biokemi/Gamla tentor/2024-01-27/10.md +++ b/content/Biokemi/Gamla tentor/2024-01-27/10.md @@ -7,6 +7,7 @@ tags: --- **Uppgift** +![[Pasted image 20251129235332.png]] På bilden syns en eukaryot replikationsgaffel. A) Ange för positionerna a, b, c och d om de motsvarar en 5’ eller 3’-ände. diff --git a/content/Biokemi/Gamla tentor/2024-01-27/6.md b/content/Biokemi/Gamla tentor/2024-01-27/6.md index 1a7e9af..535c1b1 100644 --- a/content/Biokemi/Gamla tentor/2024-01-27/6.md +++ b/content/Biokemi/Gamla tentor/2024-01-27/6.md @@ -11,14 +11,6 @@ Rita den principiella strukturen för en glykolipid. (4p) **Svar** -(Svar på ritpapper.) - -*Ritning (sid 10): sfingosinryggrad med två fettsvansar, en fosfatgrupp och en alkoholhuvudgrupp markerade som:* - -- **ALKOHOL** -- **FOSFAT GRUPP** -- **SFINGOSIN** -- **FETTSVANS** -- **FETTSVANS** +![[Pasted image 20251129235251.png]] _Totalpoäng: 4_ diff --git a/content/Biokemi/Gamla tentor/2024-05-15/17.md b/content/Biokemi/Gamla tentor/2024-05-15/17.md index c91681e..8658438 100644 --- a/content/Biokemi/Gamla tentor/2024-05-15/17.md +++ b/content/Biokemi/Gamla tentor/2024-05-15/17.md @@ -9,6 +9,8 @@ tags: Proteinet på bilden utför transport. +![[Pasted image 20251129235458.png]] + A) Ange vilken grupp av transportörer proteinet tillhör och vad som karaktäriserar denna grupp av transportörer? B) I vilket av cellens membran finns transportören? C) Vad driver transporten? diff --git a/content/Biokemi/Gamla tentor/2024-05-15/2.md b/content/Biokemi/Gamla tentor/2024-05-15/2.md index 8762490..922f890 100644 --- a/content/Biokemi/Gamla tentor/2024-05-15/2.md +++ b/content/Biokemi/Gamla tentor/2024-05-15/2.md @@ -9,6 +9,7 @@ tags: På bilden visas en tripeptid. +![[Pasted image 20251129235411.png]] A) Ange vilken aminosyra som finns på C-terminalen, vilken grupp aminosyror den tillhör och en egenskap den har. B) Ange vilken aminosyra som finns på N-terminalen, vilken grupp aminosyror den tillhör och en egenskap den har. (4p) (Max 25 ord.) diff --git a/content/Biokemi/Gamla tentor/2024-05-15/6.md b/content/Biokemi/Gamla tentor/2024-05-15/6.md index 66f9f22..80009ed 100644 --- a/content/Biokemi/Gamla tentor/2024-05-15/6.md +++ b/content/Biokemi/Gamla tentor/2024-05-15/6.md @@ -18,6 +18,7 @@ B) Vilken sorts lipoprotein skickar levern ut i blodet för att transportera ene A) Triacylglycerol (TAG). B) VLDL. +![[Pasted image 20251129235437.png]] _Ord: 5 – Totalpoäng: 4_ *(Ritning på TAG-struktur finns på sida 11 i original-PDF.)* \ No newline at end of file diff --git a/content/Biokemi/Gamla tentor/2024-08-01/34.md b/content/Biokemi/Gamla tentor/2024-08-01/34.md index e9013c7..4841268 100644 --- a/content/Biokemi/Gamla tentor/2024-08-01/34.md +++ b/content/Biokemi/Gamla tentor/2024-08-01/34.md @@ -9,6 +9,8 @@ tags: Vilka två faropiktogram visas i bild nedan? +![[Pasted image 20251129235602.png]] + - A: Oxiderande - B: Brandfarlig - C: Skadlig @@ -18,6 +20,6 @@ Vilka två faropiktogram visas i bild nedan? **Svar** -*(svar angivet i flervalsformulär)* +A & C Totalpoäng: 2 diff --git a/content/Biokemi/Gamla tentor/2024-08-01/35.md b/content/Biokemi/Gamla tentor/2024-08-01/35.md index 6c14f15..c4faa7e 100644 --- a/content/Biokemi/Gamla tentor/2024-08-01/35.md +++ b/content/Biokemi/Gamla tentor/2024-08-01/35.md @@ -7,28 +7,15 @@ tags: --- **Uppgift** -A gene of interest was amplified and verified using the blue/white screening method. The -plasmids from two bacterial colonies, one blue colony and one white colony, were purified. Then -restriction enzyme digestion was performed, and the samples were run on a gel as follows: white -uncut, white cut, blue uncut, blue cut (see figure below). After imaging the gel, we can conclude -that while there is plasmid DNA in all samples, the white sample was probably mixed with the -blue sample. Explain what finding in the gel indicates the white sample was probably mixed with -the blue sample by referring to the size/number of bands. Account for the other source of error -for this outcome besides pipette tip contamination from sample to sample. (4p) (Max 200 words) +A gene of interest was amplified and verified using the blue/white screening method. The plasmids from two bacterial colonies, one blue colony and one white colony, were purified. Then restriction enzyme digestion was performed, and the samples were run on a gel as follows: white uncut, white cut, blue uncut, blue cut (see figure below). After imaging the gel, we can conclude that while there is plasmid DNA in all samples, the white sample was probably mixed with the blue sample. Explain what finding in the gel indicates the white sample was probably mixed with the blue sample by referring to the size/number of bands. Account for the other source of error for this outcome besides pipette tip contamination from sample to sample. (4p) (Max 200 words) OBS! This question needs to be answered in English. +![[Pasted image 20251129235633.png]] + **Answer** -the findings in the gel that indicate that the samples were mixed are the lines in -the white uncut sample. It has two visible bands, with one lining up quite nicely -with the blue uncut bands in size. If the plasmid is uncut, than there shouldn't -be two distinct bands because the sample only consists of an uncut product. The -white uncut should also have a larger amount of base pairs than the blue -uncut because we have transformed a gene of interest into it, but they seem to -have the same amount. -a source of error for this outcome could be that the colony picked for the white -cut may have been close to a blue colony - causing a small amount of the blue -colony to be accidentaly picked. +the findings in the gel that indicate that the samples were mixed are the lines in the white uncut sample. It has two visible bands, with one lining up quite nicely with the blue uncut bands in size. If the plasmid is uncut, than there shouldn't be two distinct bands because the sample only consists of an uncut product. The white uncut should also have a larger amount of base pairs than the blue uncut because we have transformed a gene of interest into it, but they seem to have the same amount. +a source of error for this outcome could be that the colony picked for the white cut may have been close to a blue colony - causing a small amount of the blue colony to be accidentaly picked. Ord: 131 Totalpoäng: 4 diff --git a/content/Biokemi/Gamla tentor/2024-08-01/5.md b/content/Biokemi/Gamla tentor/2024-08-01/5.md index 3e9c784..ac108f4 100644 --- a/content/Biokemi/Gamla tentor/2024-08-01/5.md +++ b/content/Biokemi/Gamla tentor/2024-08-01/5.md @@ -19,5 +19,7 @@ B) Markera i bilden som du har ritat den del som är polär, samt den del som ä Svar på ritpapper: fosfolipid med alkohol + fosfat (polär del) kopplad till glycerol och två fettsyrasvansar (hydrofob del). +![[Pasted image 20251129235536.png]] + Ord: 0 (i digitalt svar) Totalpoäng: 4 \ No newline at end of file diff --git a/content/Biokemi/Gamla tentor/2024-12-20/1.md b/content/Biokemi/Gamla tentor/2024-12-20/1.md index b49327f..7fca2c9 100644 --- a/content/Biokemi/Gamla tentor/2024-12-20/1.md +++ b/content/Biokemi/Gamla tentor/2024-12-20/1.md @@ -14,5 +14,7 @@ Förklara vad som menas med att en molekyl är resonansstabiliserad och vad det *Ritning:* ATP med streckade bindningar mellan P–O som visar resonans (sid 8). +![[Pasted image 20251129235730.png]] + Ord: 29 Totalpoäng: 4 diff --git a/content/Biokemi/Gamla tentor/2024-12-20/2.md b/content/Biokemi/Gamla tentor/2024-12-20/2.md index 0c174a5..710cbc3 100644 --- a/content/Biokemi/Gamla tentor/2024-12-20/2.md +++ b/content/Biokemi/Gamla tentor/2024-12-20/2.md @@ -18,6 +18,6 @@ A) Lysin B) Basisk, kan ta upp en H⁺ vid lågt pH. Fungerar i vissa enzymkomplex som en arm som flyttar prostetisk grupp mellan enzymer, t.ex lipoamiden i pyruvatdehydrogenaskomplexet. *Ritning:* Lysin vid pH 2, fullständigt protonerad (sid 12). - +![[Pasted image 20251129235808.png]] Ord: 29 Totalpoäng: 4 diff --git a/content/Biokemi/Gamla tentor/2025-02-01/16.md b/content/Biokemi/Gamla tentor/2025-02-01/16.md index ade1bb5..ee3da65 100644 --- a/content/Biokemi/Gamla tentor/2025-02-01/16.md +++ b/content/Biokemi/Gamla tentor/2025-02-01/16.md @@ -5,7 +5,7 @@ tags: - provfråga - transport-över-cellmembran --- - +![[Pasted image 20251129235913.png]] **Uppgift** Proteinet på bilden utför transport. A) Vilken klass av transportörer tillhör proteinet? diff --git a/content/Biokemi/Gamla tentor/2025-02-01/6.md b/content/Biokemi/Gamla tentor/2025-02-01/6.md index ced3910..c355393 100644 --- a/content/Biokemi/Gamla tentor/2025-02-01/6.md +++ b/content/Biokemi/Gamla tentor/2025-02-01/6.md @@ -15,6 +15,8 @@ Du gör forskar-ST inom infektionsmedicin och studerar hur Helicobacter pylori b *Ritning:* På ritningen (sida 11) visas ett cellmembran med glykolipider: hydrofila huvuden utåt, hydofoba fettsyrasvansar i membranet och en kolhydrat kopplad via glycerol (kommentar: ”kan också vara sfingosin”). +![[Pasted image 20251129235900.png]] + *Lärarens kommentar:* Det absolut vanligaste är att glykolipider har sfingosin som bas och inte glycerol, och när man säger glykolipid utan att specificera mer så menar man nästan alltid de med sfingosin som bas. Ord (textsvar): 1