Zadanie 2a
Identify the reaction type that forms the ester linkage marked X.
- Materiał graficzny
Assembling glycerol-based lipids
Compare condensation products formed when glycerol combines with fatty acids and phosphate-containing groups.
Tę umiejętność sprawdza 12 zadań wzorowanych na arkuszach IB z lat 2023–2025.
Zadania sprawdzające tę umiejętność: 12 Otwórz w wyszukiwarce z filtrami
Zadanie 2b
Identify the starting molecule that contributes region Y.
- Materiał graficzny
Zadanie 2
Which labelled structure is a phospholipid? A. Structure A B. Structure B C. Structure D D. Structure C
- Materiał graficzny
Zadanie 1
Analysis detects the following elements in two purified biological molecules. Which identification is consistent with both sets? Sample | Detected elements R | C, H, O, P S | C, H, O, N Assume each sample is one of the ordinary molecules listed. A. R: starch;…
Zadanie 1d
(i) State one soil pH at which phosphorus deficiency is predicted. (ii) List two biologically important substances containing phosphorus.
- Materiał graficzny
Zadanie 3
A lipase preparation completely hydrolyses one molecule of a neutral storage fat containing three ester bonds. What is released? A. Three glycerol molecules and one fatty acid B. A glycerol molecule and three fatty acids C. Three amino acids and a phosphate…
Zadanie 5
(a) Outline the structure and properties of triglycerides. (b) Explain how energy moves through a photosynthetic ecosystem.
Zadanie 8
What do the formation of a polysaccharide and the formation of a triglyceride have in common? A. Both involve condensation reactions B. Both create a chain made only of amino acids C. Both require an equal number of carbon and oxygen atoms D. Both produce…
Zadanie 19
The tables form a hypothetical nutrition exercise, not dietary recommendations. (i) Calculate the percentage of the model daily sodium maximum consumed by a30-year-old who eats48crackers. (ii) Outline one nutritional concern if a child eats large quantities of…
- Tabela do uzupełnienia
Zadanie 29
A mixed triglyceride contains both saturated and unsaturated fatty-acid residues. Which set of the displayed molecules could occur among its complete hydrolysis products? A. M, N and O B. K, L and M C. L and O only D. N alone
- Materiał graficzny
Zadanie 6
(a) Outline how plants use atmospheric carbon to make triglyceride oils. (b) Explain why glucose dissolves readily in water whereas triglyceride oils do not. (c) Explain how a fat-rich diet could contribute to poor health.
Zadanie 6
(a) Outline how plants use atmospheric carbon to make triglyceride oils. (b) Explain why glucose dissolves readily in water whereas triglyceride oils do not. (c) Explain how glucose availability in human tissues is regulated.