Answer:
Lactose is more likely to be utilised by E. Coli than Arabinose because Lactose will yield more energy (ATP) and lactose breakdown will give glucose and galactose and these will enter into the glycolytic pathways to pyruvate for ATP generation until Arabinose which will undergo Pentose phosphate pathway and this does not produce enough energy.
Cyclin-dependent kinases (Cdks), along with cyclins, are major control switches at these checkpoints. They are central to cell cycle control; their activation via cyclin mediates progression through all four phases of the cell cycle. p53 is a protein that functions to block the cell cycle if the DNA is damaged
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Monosaccharide
( mono = single or 1 )
(Saccharine = sugar )
Examples:
Glucose
Fructose
Galactose
Acronym for remembering : GOOD FRIENDS GATHER
Disaccharide
(Di = double AKA 2)
(Saccharine = Sugar)
Disaccharides are made of any 2 monosaccharides joined together by glycosidic bonds. Therefore the name Disaccharide.
Examples:
Sucrose
Maltose
Lactose
Acronym for remembering : SMALL MEDIUM LARGE