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प्रश्न
What do we actually mean when we say that the "enzymes are specific in their action"?
उत्तर
Enzymes are specific in their action because each enzyme catalyzes only a particular reaction by binding to a specific substrate. This specificity is due to the unique shape of the enzyme’s active site, which fits only a particular substrate, similar to a "lock and key" mechanism.
संबंधित प्रश्न
Pulses are a very good source of ______.
Classify according to food-type.
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Very Short Answer Type Questions:
Write two sources of Vitamin B.
Short Answer Type Questions:
A patient had stunted growth, swelling on the face, discolouration of hair, and skin disease. The doctor advised him to eat a lot of pulses, grams, egg white, milk, etc. What is wrong with the patient? Explain.
Which of the following statement (s) is (are) true about the heart?
- Left atrium receives oxygenated blood from different parts of the body while the right atrium receives deoxygenated blood from the lungs
- Left ventricle pumps oxygenated blood to different body parts while the right ventricle pumps deoxygenated blood to the lungs
- Left atrium transfers oxygenated blood to the right ventricle which sends it to different body parts
- Left atrium transfers oxygenated blood to the right ventricle which sends it to different body parts
Which of the following statements is/are correct?
- All green plants can prepare their own food.
- Most animals are autotrophs.
- Carbon dioxide is not required for photosynthesis.
- Oxygen is liberated during photosynthesis.
Choose the correct answer from the options below:
Pitcher plant traps insects because it
Can you give me a name?
Solve each of the following riddles by writing the name of the organism and its mode of nutrition. One riddle is solved to help you.
I am small and I can fly. I disturb your sleep, bite you and suck your blood which is my food. ______, ______
‘Water does not provide nutrients, yet it is an important component of food’. Explain.