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How many of the given biomolecules in box are secondary metabolites?

Concanavalin A, GLUT-4, Collagen, Cellulose, Vinblastin, Scents, Codeine, Ricin, Trypsin, Insulin

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Important Questions on Chemical Constituents of Living Cells

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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
Choose the CORRECT combination of statements given below related to cysteine residue in proteins.

i. Cysteine can be linked to tyrosine by S-O bond.

ii. Cysteine can be linked to another cysteine by S-S bond.

iii. Cysteine can complex with Zn2+.

iv. Cysteine can be linked to methionine by S-S bond
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
In a protein molecule various amino acids are linked together by:
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
How many different proteins consisting of 100 amino acids can be formed from 20 different amino acids?
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
Optical activity of DNA is due to its:
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
Secondary metabolites such as nicotine, strychnine and caffeine are produced by plants for their
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
Which one of the following pairs of molecules never forms a hydrogen bond between them?
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
The Fischer presentation of D-glucose is given below

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The correct structure(s) of β-L- glucopyranose is(are)
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
Phospholipids are formed by the esterification of:
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
Concanavalin A is:
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
Which one of the following molecules is a secondary metabolite?
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
A 25000 Da protein contains a single binding site for a molecule (ligand), whose molecular weight is 2500 Da. Assuming high affinity and physiologically irreversible binding the amount of the ligand required to occupy all the binding sites in 10 mg protein will be:
EASY
Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules

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

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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
Which of the following amino acids is NOT involved in gluconeogenesis?
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
Which of the following is the least likely to be involved in stabilizing the three-dimensional folding of most proteins?
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
The activity of a certain protein is dependent on its phosphorylation. A mutation in its gene changed a single amino acid which affected the function of the molecule. Which amino acid change is most likely to account for this observation?
HARD
Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
Two tubes labelled 'P' and 'Q' contain foodstuff. Tube 'P' gave a positive test with Benedict's solution while tube 'Q' gave a positive test with nitric acid. Which of the following is correct?
HARD
Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
Which one of the following techniques is used for the detection of proteins?
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
Which one of the following statements is wrong?
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
Which ONE of the following molecules is derived from pantothenic acid?
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Biology>Cell : Structure and Functions>Chemical Constituents of Living Cells>Biomolecules
Identify the incorrect pair.