4292665
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Quiz von gyorgycrack, aktualisiert more than 1 year ago
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Erstellt von gyorgycrack
vor fast 9 Jahre
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Frage 1
Frage
Which is the only carbohydrate that we can not synthesize?
Antworten
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Starch
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Vitamine C
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Chitin
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Sugar
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Glucose
Frage 2
Frage
Which of these carbohydrates have in general a crystalline structure and a sweet flavor?
Antworten
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Monosaccharides
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Homopolysaccharides
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Heteropolysaccharides
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Polyhydroxyaldehides
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Polyhydroxyketones
Frage 3
Frage
Which of these is the precursor of the synthesis of some aromatic rings?
Antworten
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D-Glyceraldehide
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D-Erythrose
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D-Ribose
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D-Galactose
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D-Ribulose
Frage 4
Frage
Select the one/s which is/are present in glycolysis
Antworten
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D-Glyceraldehyde
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D-Galactose
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D-Glyceraldehide and D-Galactose
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D-Glyceraldehide and dihydroxyacetone
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Dihydroxyacetone and D-Galactose
Frage 5
Frage
Glucose can cycle leading to the formation of a new asymmetric carbon atom. How many carbon atoms have the beta-D-glucopyranose and where is pointing its hydroxyl group?
Antworten
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6 Carbon atoms and it is pointing up
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6 Carbon atoms and it is pointing down
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5 Carbon atoms and it is pointing up
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5 Carbon atoms and it is pointing down
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Any of these
Frage 6
Frage
Sorbitol is a sugar which is inside the group of...
Antworten
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Deoxysugars
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Amino sugars
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Acid sugars
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Ester sugars
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Any of these
Frage 7
Frage
Which of this is not true?
Antworten
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Sucrose does not have a reducing power and it is a oligosaccharide.
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Polysaccharides are chains of 10 or more monosaccharides.
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Starch and chitin are constituted only by alfa-Glucose that is linked by alfa (1-4) bonds.
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Starch have a lot of non-reducing ends it its ramifications and only one reducing end.
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Starch is only present in vegetables and if amylose and amylopectin is present they associate together forming helicoidal structures.
Frage 8
Frage
Which of these carbohydrates has more ramifications and how many?
Antworten
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Starch and has a ramification per 8-12 residues.
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Glycogen and has a ramification per 8-12 residues.
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Glycogen and has a ramification per 24-30 residues.
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Starch and has a ramification per 24-30 residues.
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Any of these
Frage 9
Frage
Which of these is responsible of fever?
Antworten
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Heterosides
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Peptidoglycans
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Proteoglycans
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Glycoproteins
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Lipopolysaccharides
Frage 10
Frage
Which of these is not true?
Antworten
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Glut 1 is important because it is the transporter that is present in red blood cells and in the brain
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Glut 2 is present in the liver
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Glut 3 is present in the brain
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Glut 4 is the glucose transporter that is present in muscle and adipose tissue and it is sensible to insulin
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In the intestine the amylase of the pancreatic fluid will break beta (1-4) bonds of carbohydrates
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