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Adenosine, guanosine, thymidine, uridine, cytidine are all _______ but adenylic acid, guanylic acid, uridylic acid, cytidylic acid are ________.

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Important Questions on Biomolecules

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IMPORTANT
Match column I with column II and select the correct option from the given codes.
Column I (Category) Column II (Secondary metabolites)
(a) Pigments (i) Concanavalin A
(b) Terpenoids (ii) Monoterpenes, diterpenes
(c) Alkaloids (iii) Morphine, codeine
(d) Lectins (iv) Carotenoids, anthocyanins
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Which of the following secondary metabolites are used as drugs?
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Select the incorrect match from the following.
  A B
(i) Terpenoids Monoterpenes
(ii) Lectins Concanavalin A
(iii) Toxins Anthocyanins
(iv) Drugs Vinblastin
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Study the given statements and select the correct option.
(i) Carbohydrates, proteins, nucleic acids and lipids are primary metabolites.
(ii) Alkaloids, flavonoids, rubber, etc., are secondary metabolites.
(iii) Linoleic, linolenic and palmitic acids are the three essential fatty acids.
MEDIUM
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IMPORTANT
Match column I with column II and select the correct option from the given codes.
  Column I     Column II
(a) Galactose (i) Protein
(b) Anticoagulant (ii) Phospholipid
(c) Fructose (iii) Brain sugar
(d) Lecithin (iv) Heparin
(e) Insulin (v) Fruit sugar
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The correct order of chemical composition of living tissues/cells in terms of percentage of the total cellular mass is
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IMPORTANT
Match column I with column II and select the correct combination from the options given.
  Column I 
(Component)
  Column II 
(% of the total cellular mass)
(a) Ions (i) 1
(b) Lipids (ii) 2
(c) Carbohydrates (iii) 3
(d) Nucleic acids (iv) 5-7
(e) Proteins (v) 10-15