‘Lock’ and ‘Key’ theory was proposed by (A) Sorenson (B) Fischer (C) Mehler (D) Sanger

‘Lock’ and ‘Key’ theory was proposed by (A) Sorenson (B) Fischer (C) Mehler (D) Sanger
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Key and lock hypothesis of enzyme action was given by (A) Fischer (B) Koshland (C) Buchner (D) Kuhne

Description : Key and lock hypothesis of enzyme action was given by (A) Fischer (B) Koshland (C) Buchner (D) Kuhne

Last Answer : Answer : A

‘Lock’ and ‘Key’ model of enzyme action proposed by Fisher implies that (A) The active site is flexible and adjusts to substrate (B) The active site requires removal of PO4 group (C) The active site is complementary in shape to that of the substrate (D) Substrates change conformation prior to active site interaction

Description : Lock' and Key' model of enzyme action proposed by Fisher implies that (A) The active site is flexible and adjusts to substrate (B) The active site requires removal of PO4 group ( ... complementary in shape to that of the substrate (D) Substrates change conformation prior to active site interaction

Last Answer : Answer : C

The induced fit model of enzyme action was proposed by (A) Fischer (B) Koshland (C) Mitchell (D) Markert

Description : The induced fit model of enzyme action was proposed by (A) Fischer (B) Koshland (C) Mitchell (D) Markert

Last Answer : Answer : B

Template/lock and key theory of enzyme action is supported by (A) Enzymes speed up reaction (B) Enzymes occur in living beings and speed up certain reactions (C) Enzymes determine the direction of reaction (D) Compounds similar to substrate inhibit enzyme activity

Description : Template/lock and key theory of enzyme action is supported by (A) Enzymes speed up reaction (B) Enzymes occur in living beings and speed up certain reactions (C) Enzymes determine the direction of reaction (D) Compounds similar to substrate inhibit enzyme activity

Last Answer : Answer : D

The hypothesis to explain enzyme– substrate complex formation: (A) Lock and key model (B) Induced fit theory (C) Proenzyme theory (D) Both (A) and (B)

Description : The hypothesis to explain enzyme– substrate complex formation: (A) Lock and key model (B) Induced fit theory (C) Proenzyme theory (D) Both (A) and (B)

Last Answer : Answer : C

The sequence of amino acids in human growth hormone and the synthesis were done by (A) Sanger (B) Krebs (C) Chah Holi (D) Molisch

Description : The sequence of amino acids in human growth hormone and the synthesis were done by (A) Sanger (B) Krebs (C) Chah Holi (D) Molisch

Last Answer : Answer : C

Fischer’s ‘lock and key’ model of the enzyme action implies that (A) The active site is complementary in shape to that of substance only after interaction. (B) The active site is complementary in shape to that of substance (C) Substrates change conformation prior to active site interaction (D) The active site is flexible and adjusts to substrate

Description : Fischer's lock and key' model of the enzyme action implies that (A) The active site is complementary in shape to that of substance only after interaction. (B) The active site is ... change conformation prior to active site interaction (D) The active site is flexible and adjusts to substrate

Last Answer : Answer : B

What is Margaret Sanger known for?

Description : What is Margaret Sanger known for?

Last Answer : Advocacy of Birth Control.

Is Margaret Sanger married?

Description : Is Margaret Sanger married?

Last Answer : Yes, Margaret Sanger married to William Sanger in 1902

Does Margaret Sanger have children?

Description : Does Margaret Sanger have children?

Last Answer : Yes, Margaret Sanger has 3 kids.

Life originated by chemosynthesis was proved in the laboratory by – (1) Sanger (2) Pasteur (3) Miller (4) Aristotle

Description : Life originated by chemosynthesis was proved in the laboratory by – (1) Sanger (2) Pasteur (3) Miller (4) Aristotle

Last Answer : (3) Miller Explanation: The Miller-Urey experiment of 1952 simulated the conditions thought at the time to be present on the early Earth, and tested the chemical origin of life under those ... creation of amino ac-ids was used in this experiment to explain life's origins by chemosynthesis.

Life originated by chemosynthesis was proved in the laboratory by : (1) Sanger (2) Pasteur (3) Miller (4) Aristotle

Description : Life originated by chemosynthesis was proved in the laboratory by : (1) Sanger (2) Pasteur (3) Miller (4) Aristotle

Last Answer : Miller

Chemiosmotic theory for oxidative phosphorylation has been proposed by (A) Chance and Williams (B) Pauling and Corey (C) S. Waugh (D) P. Mitchell

Description : Chemiosmotic theory for oxidative phosphorylation has been proposed by (A) Chance and Williams (B) Pauling and Corey (C) S. Waugh (D) P. Mitchell

Last Answer : Answer : D

Who proposed VSEPR theory ? What does it explain ?

Description : Who proposed VSEPR theory ? What does it explain ?

Last Answer : VSEPR theory was proposed by Sedgwick and Powell. It explains the shapes of polyatomic molecules.

Which theory explains the paramagnetic nature of oxygen ? Who proposed it ?

Description : Which theory explains the paramagnetic nature of oxygen ? Who proposed it ?

Last Answer : Molecular orbital theory, proposed by Hunds and Mulliken

What was the first automobile to have a key lock?

Description : What was the first automobile to have a key lock?

Last Answer : I just gave you a “Great Question” upvote. I love your question, have no idea about the answer, and look forward to learning.

At my shared apt. the landlady comes in the house when she wants and enters anybody's room with her key. I want to double-lock my door. How?

Description : At my shared apt. the landlady comes in the house when she wants and enters anybody's room with her key. I want to double-lock my door. How?

Last Answer : It depends on your rental agreement really. Some landlords put in their agreements that they can enter their property at any time, others say they will give notice unless it's an emergency. First thing to ... locks to the property, so check for that too. It could be against your agreement to do so.

Why do some computer keyboards have a "NUM LOCK" Key?

Description : Why do some computer keyboards have a "NUM LOCK" Key?

Last Answer : You can download macros which let you reassign keys. Numlock was for incomplete keyboards without a number pad.

Inspired by another question: what would you put in place of the CAPS LOCK key?

Description : Inspired by another question: what would you put in place of the CAPS LOCK key?

Last Answer : Uncaps lock. For those times when you use Caps and forget to switch it off.

Ignition key lock?

Description : Ignition key lock?

Last Answer : I don’t know, uber! My friend has an ‘89 corolla that has the opposite ‘feature’. well, we haven’t decided if it’s a feature or a defect, but you can pull the key straight out of the ignition without turning, and the car will stay on. it comes in pretty handy. good question!

I have a key but no lock and a space but no door. What am I? -Riddles

Description : I have a key but no lock and a space but no door. What am I? -Riddles

Last Answer : Keyboard.

Suppose you want to send in the mail a valuable object to a friend. You have a box which is big enough to hold the object. The box has a locking ring which is large enough to have a lock attached and you have several locks with keys. However, your friend does not have the key to any lock that you have. You cannot send the key in an unlocked box since it may be stolen or copied. How do you send the valuable object, locked, to your friend - so it may be opened by your friend? -Riddles

Description : Suppose you want to send in the mail a valuable object to a friend. You have a box which is big enough to hold the object. The box has a locking ring which is large enough to have a lock attached ... you send the valuable object, locked, to your friend - so it may be opened by your friend? -Riddles

Last Answer : Send the box with a lock attached and locked. Your friend attaches his or her own lock and sends the box back to you. You remove your lock and send it back to your friend. Your friend may then remove the lock she or he put on and open the box.

You want to send a valuable object to a friend. You have a box which is more than large enough to contain the object. You have several locks with keys. The box has a locking ring which is more than large enough to have a lock attached. But your friend does not have the key to any lock that you have. How do you do it? Note that you cannot send a key in an unlocked box, since it might be copied. -Riddles

Description : You want to send a valuable object to a friend. You have a box which is more than large enough to contain the object. You have several locks with keys. The box has a locking ring which is more than ... do it? Note that you cannot send a key in an unlocked box, since it might be copied. -Riddles

Last Answer : Attach a lock to the ring. Send it to her. She attaches her own lock and sends it back. You remove your lock and send it back to her. She removes her lock.

Suppose you want to send in the mail a valuable object to a friend. You have a box which is big enough to hold the object. The box has a locking ring which is large enough to have a lock attached and you have several locks with keys. However, your friend does not have the key to any lock that you have. You cannot send the key in an unlocked box since it may be stolen or copied. How do you send the valuable object, locked, to your friend - so it may be opened by your friend? -Riddles

Description : Suppose you want to send in the mail a valuable object to a friend. You have a box which is big enough to hold the object. The box has a locking ring which is large enough to have a lock attached ... you send the valuable object, locked, to your friend - so it may be opened by your friend? -Riddles

Last Answer : Send the box with a lock attached and locked. Your friend attaches his or her own lock and sends the box back to you. You remove your lock and send it back to your friend. Your friend may then remove the lock she or he put on and open the box.

A container without hinges, lock or a key, yet a golden treasure lies inside me. What am I? -Riddles

Description : A container without hinges, lock or a key, yet a golden treasure lies inside me. What am I? -Riddles

Last Answer : An egg.

Lock and Key mechanism of enzyme action? -Biology

Description : Lock and Key mechanism of enzyme action? -Biology

Last Answer : answer:

Broken key in the lock

Description : How to take a broken key out of the door? He doesn't look out at all. What to do? It is a door from a workshop with a classic security factory.

Last Answer : You can try to take it out with a needle, but if that doesn't work, just call the locksmith or drill it somehow.

Broken key in a car lock

Description : How will the repair work?

Last Answer : There are more options - it depends on what the lock is and how deep the key is. Push out from the inside, pull out from the outside (with hooks, pliers), drill the key and catch it with a thread ...

Are they going to open the door with the key in the lock from the inside?

Description : There is a bastard in our city and they walk around the apartments at night. There were reports that people were sleeping and he was walking in their apartment and stealing. How does he open apartments? When I'm ... I have my key out, will I get there? And what if I leave the key in the door?

Last Answer : Buying a security door is very expensive, but a chain is enough, it will hook from the inside and even if he unlocks the door with the key turned in the lock, it has another obstacle. When the thief wants, he also opens the safe: - (((Unfortunately: - (((

How to remove a key stuck in a door lock?

Description : How to remove a key stuck in a door lock?

Last Answer : Spray WD-40 into the lock.

Why do we compare enzymes and substrate to a lock and key?

Description : Why do we compare enzymes and substrate to a lock and key?

Last Answer : What is the answer ?

How an enzyme attaches to a substrate using the lock and key hypothesis?

Description : How an enzyme attaches to a substrate using the lock and key hypothesis?

Last Answer : What is the answer ?

Which substances fit together like a lock and key?

Description : Which substances fit together like a lock and key?

Last Answer : enzymes and substrates

Are lock and key briefcases the most secure?

Description : Are lock and key briefcases the most secure?

Last Answer : A briefcase with a built-in lock is the most secure option.

The round and oblong MO stamp must always remain under lock and key in personal custody of a) Regn PA b) MO PA c) Postmaster d) None of these

Description : The round and oblong MO stamp must always remain under lock and key in personal custody of a) Regn PA b) MO PA c) Postmaster d) None of these

Last Answer : c) Postmaster

Mark correct option a) In Head Record offices one key of the safe will be retained in the custody of HRO and other one is Accountant. b) The insured seal supplied to the set of mail office should be kept in the personal custody of Head Sorting assistant c) Each set of section is supplied with a portfolio with lock & key bearing designation of section d) All the above are correct.

Description : Mark correct option a) In Head Record offices one key of the safe will be retained in the custody of HRO and other one is Accountant. b) The insured seal supplied to the set of mail office ... supplied with a portfolio with lock & key bearing designation of section d) All the above are correct.

Last Answer : d) All the above are correct.

When trying to turn a key into a lock, following is applied (A) Coplanar force (B) Non-coplanar forces (C) Couple (D) Moment

Description : When trying to turn a key into a lock, following is applied  (A) Coplanar force  (B) Non-coplanar forces  (C) Couple  (D) Moment

Last Answer : (C) Couple 

Study of drug-receptor interaction has now shown that: A. Maximal response occurs only when all receptors are occupied by the drug B. Drugs exert an ‘all or none’ action on a receptor C. Receptor and drugs acting on it have rigid complementary ‘lock and key’ structural features D. Properties of ‘affinity’ and ‘intrinsic activity’ are independently variable

Description : Study of drug-receptor interaction has now shown that: A. Maximal response occurs only when all receptors are occupied by the drug B. Drugs exert an all or none' action on a ... lock and key' structural features D. Properties of affinity' and intrinsic activity' are independently variable

Last Answer : D. Properties of ‘affinity’ and ‘intrinsic activity’ are independently variable

Study of drug-receptor interaction has now shown that: A. Maximal response occurs only when all receptors are occupied by the drug B. Drugs exert an ‘all or none’ action on a receptor C. Receptor and drugs acting on it have rigid complementary ‘lock and key’ structural features D. Properties of ‘affinity’ and ‘intrinsic activity’ are independently variable

Description : Study of drug-receptor interaction has now shown that: A. Maximal response occurs only when all receptors are occupied by the drug B. Drugs exert an all or none' action on a ... lock and key' structural features D. Properties of affinity' and intrinsic activity' are independently variable

Last Answer : D. Properties of ‘affinity’ and ‘intrinsic activity’ are independently variable

Can you believe that Bryan Fischer actually says that he's NOT homophobic?

Description : Can you believe that Bryan Fischer actually says that he's NOT homophobic?

Last Answer : I think it is either he is homophobic or he is an asshat. Those are your only two choices. Pick one.

Martin Fischer said "Whenever ideas fail, men invent words" - thoughts?

Description : Martin Fischer said "Whenever ideas fail, men invent words" - thoughts?

Last Answer : In order to express an idea one must put it into words. Whether or not the idea needs to be expressed is another thing altogether.

What links the names Botvinik, Tal, Karpov, Fischer?

Description : What links the names Botvinik, Tal, Karpov, Fischer?

Last Answer : Chess World Champs

is a Fischer projection of one of_______ stereoisomers ?

Description : is a Fischer projection of one of_______ stereoisomers ?

Last Answer : is a Fischer projection of one of_______ stereoisomers ? A. 2 B. 4 C. 8 D. 12

Fischer projection formula of this compound can be represented as :

Description : Fischer projection formula of this compound can be represented as :

Last Answer : Fischer projection formula of this compound can be represented as : A. B. C. D.

is a Fischer projection of one of_______ stereoisomers ?

Description : is a Fischer projection of one of_______ stereoisomers ?

Last Answer : is a Fischer projection of one of_______ stereoisomers ? A. 2 B. 4 C. 8 D. 12

Fischer projection formula of this compound can be represented as :

Description : Fischer projection formula of this compound can be represented as :

Last Answer : Fischer projection formula of this compound can be represented as : A. B. C. D.

Can a yellow collared lovebird and Fischer lovebird?

Description : Can a yellow collared lovebird and Fischer lovebird?

Last Answer : Not really

Artificially, gasoline is prepared by an industrial process known as (a) Sabatier and Sendren's process (b) Friedel-Crafts reaction (c) Fischer-Tropsch process (d) Haber's process

Description : Artificially, gasoline is prepared by an industrial process known as (a) Sabatier and Sendren's process (b) Friedel-Crafts reaction (c) Fischer-Tropsch process (d) Haber's process

Last Answer : Ans:(c)

The 1992 Nobel Prize for medicine was awarded to Edmond H. Fischer and Edwin J. Krebs for their work concerning (a) reversible protein phosphorylation as a biological regulation mechanism (b) isolation of the gene for a human disease (c) human genome project (d) drug designing involving inhibition of DNA synthesis of the pathogen.

Description : The 1992 Nobel Prize for medicine was awarded to Edmond H. Fischer and Edwin J. Krebs for their work concerning (a) reversible protein phosphorylation as a biological regulation mechanism (b) ... (c) human genome project (d) drug designing involving inhibition of DNA synthesis of the pathogen.

Last Answer : (a) reversible protein phosphorylation as a biological regulation mechanism

_________ process is meant for direct hydrogenation of coal to produce liquid fuel. (A) Fischer-Tropsch (B) Bergius (C) Lurgi (D) None of these

Description : _________ process is meant for direct hydrogenation of coal to produce liquid fuel. (A) Fischer-Tropsch (B) Bergius (C) Lurgi (D) None of these

Last Answer : (B) Bergius