4292665
Descrição
Quiz por gyorgycrack, atualizado more than 1 year ago
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Criado por gyorgycrack
mais de 8 anos atrás
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Questão 1
Questão
Which is the only carbohydrate that we can not synthesize?
Responda
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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
Questão 2
Questão
Which of these carbohydrates have in general a crystalline structure and a sweet flavor?
Responda
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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
Questão 3
Questão
Which of these is the precursor of the synthesis of some aromatic rings?
Responda
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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
Questão 4
Questão
Select the one/s which is/are present in glycolysis
Responda
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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
Questão 5
Questão
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?
Responda
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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
Questão 6
Questão
Sorbitol is a sugar which is inside the group of...
Responda
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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
Questão 7
Questão
Which of this is not true?
Responda
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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.
Questão 8
Questão
Which of these carbohydrates has more ramifications and how many?
Responda
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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
Questão 9
Questão
Which of these is responsible of fever?
Responda
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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
Questão 10
Questão
Which of these is not true?
Responda
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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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