EASY
Earn 100

Match the columns.

Column-I Column-II
(A) Collagen (1) Hormone
(B) Trypsin (2) Enzyme
(C) Insulin (3) Fight infectious agent
(D) Receptor (4) Enable glucose transport into cells
(E) GLUT-4 (5) Sensory reception (Smell, taste hormone)
(F) Antibody (6) Intercellular ground substance

50% studentsanswered this correctly

Important Questions on Biomolecules

MEDIUM
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
Solid and dotted lines represent the activities of pepsin and salivary amylase enzymes of the digestive tract, respectively. Which one of the following graphs best represents their activity vs pH?
EASY
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
The formation of the Enzyme - Substrate complex is essential for
EASY
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
Serine proteases are called so because they
EASY
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes

Match the following?

Enzymes Functions
(a) Lyases (i) Oxido reduction
(b) Isomerases (ii) Link compounds
(c) Dehydrogenases (iii) Transfer of group
(d) Ligases (iv) Interconversion
    (v) Removal of groups

 

HARD
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
Given below are the four schematics that describe the dependence of the rate of an enzymatic reaction on temperature. Which of the following combination is true for thermophilic and psychrophilic organisms?

Question Image

Question Image
EASY
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes

Identify the labelled parts 1, 2, 3, 4 in the concept of activation energy shown in the below diagram?

Question Image

HARD
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes

Study the following

(I) Km value Affinity of the enzyme Inverse measure enzyme affinity
(II) Hydrolases P-O bonds Linking 2 compounds
(III) Transferases Transfer of a group Inhibitor of reaction
(IV) Emil Fisher Lock and key hypothesis Formation of ES complex

The correct combinations are

HARD
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
Write briefly about enzyme inhibitors.
EASY
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
Co-enzymes are components of an enzyme complex which are necessary for its function. Which of these is a known co-enzyme?
EASY
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
Which one of the following statements is correct, with reference to enzymes?
MEDIUM
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes

Match the enzymes in Column I with their respective biochemical reactions in column II. Choose the correct combination from below

Column I Column II
(P) Transaminases (i) Removal of a phosphoryl group from a specific amino acid
(Q) Protein Kinases (ii) Removal of α-amino group from a specific amino acid
(R) Protein Phosphatases (iii) Addition of phosphoryl group to a specific amino acid
(S) Dehydrogenases (iv) Interconversion of optical isomers
  (v) Oxidation and reduction of substrates
MEDIUM
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
Which of the following describes the given graph

Question Image
MEDIUM
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
What is enzyme? Write the name of two enzymes?
MEDIUM
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
Match the following lists.
  List-I   List-II   List-III
A Coenzymes are organic compound i No structure similarities I Ribose-5 phosphate isomerase
B Isomerases ii Differ from inorganic catalysis II During catalysis
C Non-competitive enzyme inhibition iii Catalyzing interconversion of optical positional isomers III Operates at high temperatures also
D Enzyme catalysts iv With the apoenzyme only as a transient IV Metal ion of copper

The correct match is:

HARD
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
Explain different types of co-factors.
HARD
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
Write briefly about enzyme inhibitors.
EASY
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
Bottled fruit juices brought from the market are clearer as compared to those made at home because the bottled juices are clarified by the use of _____
MEDIUM
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
Select the option which is not correct with respect to enzyme action:
EASY
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
A non-proteinaceous enzyme is:
EASY
Biology>Cell : Structure and Functions>Biomolecules>Biomolecules in the Cell: Enzymes
Which ONE of the following coenzymes is required for the conversion of L-alanine to a racemic mixture of D- and L-alanine?