Differentiate between induced fit model and lock and key hypothesis of enzymes.

Important Questions on Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.

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Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

Explain lock and key theory of enzyme action and draw a labelled diagram of a model.

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

What is enzyme? Write the name of two enzymes?

HARD

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

Explain the mode of enzyme action on the basis of lowering of activation energy. Draw a labelled diagram to show activation energy.

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

Which of the following is not a function of the skeletal system?

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Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

Ribozymes are:
A) Catalytic RNA
B) Non-Protein enzymes
C) Nucleic acids
D) Group of ribosomes

HARD

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

Which type of tissue is correctly paired with its location?

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

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 _____

HARD

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

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?

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

Which of the following describes the given graph

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

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

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

The function of the gap junction is to:

HARD

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

Study the following

(I)	${\mathrm{K}}_{\mathrm{m}}$ value	Affinity of the enzyme	Inverse measure enzyme affinity
(II)	Hydrolases	$\mathrm{P}-\mathrm{O}$ 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

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

Which of the following statements is true about glandular epithelium in the salivary gland?

HARD

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

It is much easier for a small animal to run uphill than for a large animal, because:

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

Epithelial cells in animals are held by specialized junctions, one of them being "Gap junction". Function of a "Gap junction" is to

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

Part of epidermis that keeps out unwanted particles is called:

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Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

A person has 400 million alveoli per lung with an average radius of 0.1 mm for each alveolus. Considering the alveoli are spherical in shape, the total respiratory surface of that person is closest to

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

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

 

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

When RNAse enzyme is denatured by adding urea, which ONE of the following combinations of bonds would be disrupted?

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

Select the option which is not correct with respect to enzyme action: