An indispensible role in energy metabolism is played by -
Mineral activator needed for the enzymes aconitase of TCA cycle is -
If the temperature is incresed above 35°C
Which of the following is coenzyme-II ?
Where does the synthesis of enzyme occur in a cell -
Excess of ATP inhibits the enzyme-
Enzyme cytochrome oxidase can be inhibited by :
Different steps in respiration are controlled by -
Which one is both structural & functional (catalytic) protein :
The full form of NAD is -
First discovered Enzyme was -
Enzyme were discovered for the first time in -
Who coined the term enzyme -
Vitamin serves the function of -
Which of the follwoing is a coenzyme-
What is NADP -
The prosthetic group of various respiratory enzymes is -
Most enzymes consist of two parts these are -
The first enzyme is isolated in crystalline form was -
In plants enzymes are present in -
An enzyme is made up of -
Which of the following is not an enzyme ?
Enzyme capable of changing thier shape are called -
What is the chemical nature of the majority of prosthetic groups ?
Which of the following coenzyme is a derivative of pantothenic acid ? (vit-B complex) -
Which of the following is not consumed in a biochemical process ?
How the presence of an enzyme affects the activation energy of a reaction ?
The cheif enzyme found in yeast cell is ?
Which of the enzyme joins the broken strands of DNA ?
Inhibition of succinic dehydrogenase by malonate is an example of -
At a temperature below the freezing point an enzyme is -
Enzyme inhibition caused by a substrate analog is -
At boiling temperature an enzyme is -
Enzyme have very narrow optima for -
Which enzyme is without protein ?
Allosteric inhibition of enzyme was discovered by -
Enzyme concerned with transfer of electrons are - [MP PMT 2002]
At which pH enzymes of lysosomes are usually active ? [MP PMT 2002]
Enzymes are made up of - [CPMT 2002]
Hydrolytic enzymes, which act on low pH are called as ? [CPMT 2002]
Allosteric enzymes have allosteric sites for -
Substrate concentration at which an enzyme attains half of its max. velocity is ?
Part of active site of enzyme, where substrate is supported -
Enzymes, vitamins and hormones can beclassified into a single caregory of biological chemicals, becouse all of these - [AIPMT 2005]
Which of the following statements regarding enzyme inhibition is correct ? [AIPMT 2005]
The catalytic efficiency of two different enzyme can be compared by the - [AIPMT 2005]
The graph below shows the effect ofsubstrate concentration on the rate of reaction of the enzyme green-gram-phosphatase. What does the graph indicates ? [AIIMS 2005]
An organic substance bound to an enzyme and essential for its activity is called - [AIPMT 2006]
Who gave the name enzyme ?
Who was successful in isolating an enzyme in pure and crystallized form ?
Which was the first enzyme obtained in crystallized form ?
Which of these is Coenzyme i and Coenzymem
Who discovered the enzyme called ribozyme ?
Which are called zymogen ?
What are the multiple molecular forms of an enzyme called ?
Which is the specific character of isoenzyme ?
Which of these characters is of enzymes ?
What is true about enzymes ?
Enzymes are affected by –
What is not true about activity of enzymes ?
What is turn over number of enzyme ?
How the effect of competitive inhibitors can be nullified ?
Which statement is correct about enzyme activity and pH ?
Sometimes the product binds the active site of the enzyme to reduce rate of reaction. What is it called?
The turn over number of enzymes is related with its –
In cytochrome, Fe++ is linked –
Organic substance loosely linked to the apoenzyme is called –
Which part of holoenzyme is proteinaceous ?
Which of these is not a coenzyme ?
What is the minimum energy value, besides the average energy of the substrate molecules in the reaction, which is essential to make the product ?
What is true about active sites of enzymes ?
Which are allosteric sites ?
According to the induced fit theory which are the two groups at the active site ?
Which of these are enzymes of the class oxidoreductases ?
Which are the enzymes of group transferase ?
Which of these are enzyme of isomerases ?
The lower value of Km means –
Which one of the following is not true for iso enzmes ?
The figure given below shows the conversion of a substrate into product by an enzyme. In which one of the four otpion (1-4) the components of reaction labelled as A, B, C and D are identified correctly? [AIPMT-2010 (Mains)]