Home
Class 11
BIOLOGY
Enzymes isolated from organisms which li...

Enzymes isolated from organisms which line in extreme high temperatures (eg , hot vents and sulphur springs) show catalytic activity in a 93 94 98 range of

A

`40 - 60^(@)C`

B

`60 - 80^(@)C`

C

`80 - 90^(@)C`

D

`40 - 45^(@)C`

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Question:** The question asks about enzymes isolated from organisms that live in extreme high temperatures, specifically in the range of 93 to 98 degrees Celsius. These enzymes are typically referred to as "thermostable" or "thermophilic" enzymes. 2. **Identifying the Source of Enzymes:** Organisms that thrive in extreme temperatures are often found in environments such as hot vents and sulfur springs. These organisms are usually extremophiles, particularly thermophiles, which can withstand high temperatures. 3. **Characteristics of Thermophilic Enzymes:** Enzymes from thermophiles are known for their stability and activity at high temperatures. This is due to their unique structural adaptations that prevent denaturation, which is the process where proteins lose their functional shape. 4. **Applications of Thermophilic Enzymes:** These enzymes are used in various industrial applications, including biotechnology, food processing, and biofuels, because they can function effectively at high temperatures where other enzymes would denature. 5. **Conclusion:** The catalytic activity of these enzymes in the range of 93 to 98 degrees Celsius makes them valuable for processes that require high-temperature conditions. **Final Answer:** Enzymes isolated from organisms that live in extreme high temperatures show catalytic activity in the range of 93 to 98 degrees Celsius. ---
Promotional Banner

Topper's Solved these Questions

  • BIOMOLECULES

    AAKASH SERIES|Exercise EXERCISE - I (Enzymes -Introduction)|13 Videos

  • BIOMOLECULES

    AAKASH SERIES|Exercise EXERCISE - I (Chemical reactions)|4 Videos

  • BIOLOGICAL CLASSIFICATION

    AAKASH SERIES|Exercise EXERCISE-III (Previous AIPMT/NEET Question)|37 Videos

  • CELL CYCLE AND CELL DIVISION

    AAKASH SERIES|Exercise Exercise-III|18 Videos

Similar Questions

Explore conceptually related problems

The gases obey the different gas laws only theoretically. Practically all of them show some deviation from these laws. These are called real gases. The deviation are maximum under high pressure and at low temperature. These are comparatively small when the conditions are reversed. It has been found that the easily liquefiable gases show more deviations from the ideal gas behaviour as compared to the gases which are liquified with difficulty. The temperature at which the real gases obey the ideal gas laws over a wide range of pressure is called

Sketch shows the plot of Z v/s P for a hypothetical gas for one mole at three distint temperature. Boyle's temperature is the temperature at which gas shows ideal behaviour over a pressure range in the low pressure region.Boyle's temperature (T_b)=a/(Rb) .If a plot is obtained at temperature well below Boyle's temperature then the curve will show negative deviation, in low pressure region and positive deviation in the high pressure region. Near critical temperature the curve is more likely as CO_2 and the temperature well above critical temperature curve is more like H_2 at 0^@C as shown above.At high pressure suppose all the constant temperature curve varies linearly with pressure according to the following equation : Z=1+(Pb)/(RT) ( R=2 cal "mol"^(-1) K^(-1) ) For 500 K plot value of Z changes from 2 to 2.2 if pressure is varied from 1000 atm to 1200 atm (high pressure ) then the value of b/(RT) will be

Sketch shows the plot of Z vs P for 1 mol of a hypothetical gas at three distinct temperature. Boyle’s temperature is the temperature at which a gas shows ideal behaviour over a pressure range in the low pressure region. Boyle’s temperature (T_(b)) = (a)/(Rb) . If a plot is obtained at temperatures well below Boyle’s temperature then the curve will show negative deviation, in low pressure region and positive deviation in the high pressure region. Near critical temperature the curve is more like CO_(2) and the temperature well above critical temperature curve is more like H_(2) as shown above. At high pressure suppose all the constant temperature curve varies linearly with pressure according to the following equation: Z =1 + (Pb)/(RT) (R = 2 cal mol^(-1) K^(-1)) For 500 K plot the value of Z changes from 2 to 2.2 if pressure is varied from 1000 atm to 1200 atm (high pressure) then the value of (b)/(RT) will be :

When an atom or an ion is missing from its nomal lattice site a lattice vacanecy (Schottky defect) is created. In stoichmeteric ionic crystals, a vacancy of one ion has to be accompanied by the vacancy of the oppositely charge ion in order to maintain electrical neutrality. In a Frenkel defect an ion leaves its position in the lattice and occupies an interstitial void. This id the Frenkel defect commonly found along with the Schottky defects and interstitial. In pure alkali halides. Frenked defects are not found since the ions cannot get into the interstitial sites. Frenkel defects are found in silver halides because of the small size of the Ag^(+) ion. Unike Schottky defects, Frenkel defect do not change the density of the solids. in certain ionic solids (e.g., AgBr) both schottky and Frenkel defect occur. The Defects idiscussed above do not disturb the stoichiometery of the crystalline material. there is large variety of non-stoichiometric inorganic solids which contains an excess or deficienty of one of the elements. Such solids showing deviations from the ideal stoichiometric composition from an important group of solids. For example in the vanadium oxide, VO_(x),x can be anywehere between 0.6 and 1.3 there are solids such as difficult to prepare in the soichiometric omposition thus, the ideal composition in compounds such as FeO is difficult to obtain (normally we get a compositiion of Fe(0.95) O but it may range from Fe_(0.93) O to Fe_(0.96)O ). Non-stoichiometric behavious is most commonly found for transition metal compounds through is also known for some lathanoids and actinoids. Zinc oxide loses oxygen reversible at high temperature and turns yellow in colour. the excess metal is accomodated interstitial, giving rise to electrons trapped in the neighbourhood, the enchanced electrical conductivity of the non-stoichiometric ZnO arises from these electrons. Anion vacancies in alkali halides are produced by heating the alkali halid crystals in an atmosphere of the alkali metal vapour. when the metal atoms deposit on the surface they diffuse into the cystal and after ionisation the alkali metal ion occupies cationic vacancy whereas electron occupies anionic vacancy. Electrons trapped i anion vacancies are referred to as F-centers (From Farbe the German word for colouf) that gives rise to interesting colour in alkali halides. Thus, the excess of potassium i KCl makes the crystal appear violet and the excess of lithium in LiCl makes it pink. Which of the following is most appropritate crystal to show Fremkel defect ?

Ideal gas equation is represented as PV=nRT . Gases present in universe were fond ideal in the Boyle's temperature range only and deviated more from ideal gas behavior at high pressure and low temperature. The deviation are explained in term of compressibility factor z . For ideal behavior Z=(PV)/(nRT)=1 . the main cause to show deviavtion were due to wrong assumptions made about forces oif attractions (which becomes significant at high pressure ) and volume V occupied by molecules in PV=nRT is supposed to be volume of gas or the volume of container in which gas is placed by assuming that gaseous molecules do not have appreciable volume. Actually volume of the gas is that volume in which each molecule of gas can move freely. If volume occupied by gaseous molecule is not negligible, then the term V would be replaced by the ideal volume which by available for free motion of each molecule of gas in 1 mole gas. V_("actual")= volume of container -volume occupied by molecules =v-b Where b represent the excluded volume occupied by molecules present in one mole of gas. Similarly for n mole gas V_("actual")=v-nb The ratio of coefficient of thermal expansion alpha=(((delV)/(delT))_(P))/V and the isothermal compressibility beta=-((delV)/(delP)_(T)) for an ideal gas is:

Ideal gas equation is represented as PV=nRT . Gases present in universe were fond ideal in the Boyle's temperature range only and deviated more from ideal gas behavior at high pressure and low temperature. The deviation are explained in term of compressibility factor z . For ideal behavior Z=(PV)/(nRT)=1 . the main cause to show deviavtion were due to wrong assumptions made about forces oif attractions (which becomes significant at high pressure ) and volume V occupied by molecules in PV=nRT is supposed to be volume of gas or the volume of container in which gas is placed by assuming that gaseous molecules do not have appreciable volume. Actually volume of the gas is that volume in which each molecule of gas can move freely. If volume occupied by gaseous molecule is not negligible, then the term V would be replaced by the ideal volume which by available for free motion of each molecule of gas in 1 mole gas. V_("actual")= volume of container -volume occupied by molecules =v-b Where b represent the excluded volume occupied by molecules present in one mole of gas. Similarly for n mole gas V_("actual")=v-nb As the pressure approaching zero i.e. at very low pressure. The curves plotted between compressibility factor Z and P for n mole of gases have the following characteristics. (I) The intercept on y -axis leads to a value of unity (II) The intercept on y axis leads to a value of 'n' (III) The curves posses same slope for different gases at same temperature (IV) The curves posses different slopes for different gases at same temperature. (V) The curves posses same slope for a gas at different temperature