Biochemistry
4 Questions
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Covers chemical stucture of biomoleculesmajor biomolecules are carbohydrates, lipids, proteins and nucleic acids
Questions and Answers
- 1.The simplest of the hydrated carbons, with the formula (CH2O1) is called
- A.
dihydroxyacetone
- B.
formaldehyde
- C.
pyranose
- D.
Glyceraldehyde
- 2.As a rule, the number of isomers that a sugar has depends on
- A.
the number of chiral carbons
- B.
the kind of substituents
- C.
the number of alcohol groups present
- D.
its anomeric carbon
- 3.'Which of the following statements best characterize glucose?
- A.
it usually exists in the furanose form
- B.
it is a ketose
- C.
it forms part of the disaccharide sucrose
- D.
Only the L-isomer can be transported into mammalian cells
- 4.All of the following are composed exclusively of glucose, EXCEPT:
- A.
amylose
- B.
lactose
- C.
cellulose
- D.
Maltose
- E.
glycogen
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