Would you expect the denatured DNA to regain its transforming capacity when cooled?

Would you expect the denatured DNA to regain its transforming capacity when cooled?
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DNA po lymerase of T. aquat icus is preferred to that of E. coli in PCR because (A) It replicates DNA more efficiently (B) It doesn’t require primers (C) It is not denatured at the melting temperature of DNA (D) It doesn’t cause errors in replication

Description : DNA po lymerase of T. aquat icus is preferred to that of E. coli in PCR because (A) It replicates DNA more efficiently (B) It doesn’t require primers (C) It is not denatured at the melting temperature of DNA (D) It doesn’t cause errors in replication

Last Answer : Answer : C

Melting temperature of DNA is the temperature at which (A) Solid DNA becomes liquid (B) Liquid DNA evaporates (C) DNA changes from double helix into supercoiled DNA (D) Native double helical DNA is denatured

Description : Melting temperature of DNA is the temperature at which (A) Solid DNA becomes liquid (B) Liquid DNA evaporates (C) DNA changes from double helix into supercoiled DNA (D) Native double helical DNA is denatured

Last Answer : Answer : D

With regard to DNA molecules: a. they contain adenine, cytosine, guanine and uracil bases b. they can be detected with Western blotting c. they can be detected with Southern blotting d. they are denatured at temperature of 1000C

Description : With regard to DNA molecules: a. they contain adenine, cytosine, guanine and uracil bases b. they can be detected with Western blotting c. they can be detected with Southern blotting d. they are denatured at temperature of 1000C

Last Answer : they can be detected with Southern blotting

Stem and loop structures are A- proteins that help partially denatured enzymes to recover their native configuration B- structures in DNA caused by inverted repeats C- structures at the ends of linear eukaryotic DNA molecules D- the bonds between adjacent DNA nucleotides in the same strand

Description : Stem and loop structures are A- proteins that help partially denatured enzymes to recover their native configuration B- structures in DNA caused by inverted repeats C- structures at the ends of linear eukaryotic DNA molecules D- the bonds between adjacent DNA nucleotides in the same strand

Last Answer : structures in DNA caused by inverted repeats

The ‘transforming factor’ discovered by Avery, McLeod and McCarty was later found to be (A) mRNA (B) tRNA (C) DNA (D) None of these

Description : The ‘transforming factor’ discovered by Avery, McLeod and McCarty was later found to be (A) mRNA (B) tRNA (C) DNA (D) None of these

Last Answer : Answer : C

A method for transforming DNA especially useful of plant cells

Description : A method for transforming DNA especially useful of plant cells

Last Answer : Ans. Electroporation

The transforming principle of Pneumococcus as found out by Avery, MacLeod and McCarty was (a) mRNA (b) DNA (c) protein (d) polysaccharide. (

Description : The transforming principle of Pneumococcus as found out by Avery, MacLeod and McCarty was (a) mRNA (b) DNA (c) protein (d) polysaccharide. (

Last Answer : (c) protein

The transforming principle of Pneumococcus as found out by Avery, MacLeod and McCarty was (a) mRNA (b) DNA (c) protein (d) polysaccharide

Description : The transforming principle of Pneumococcus as found out by Avery, MacLeod and McCarty was (a) mRNA (b) DNA (c) protein (d) polysaccharide

Last Answer : (b) DNA

If the atmosphere is cooled, what is its capacity for water vapour? -General Knowledge

Description : If the atmosphere is cooled, what is its capacity for water vapour? -General Knowledge

Last Answer : The answer is 'Lowered'

If the atmosphere is cooled, what is its capacity for water vapour? -General Knowledge

Description : If the atmosphere is cooled, what is its capacity for water vapour? -General Knowledge

Last Answer : answer:

If the atmosphere is cooled, what is its capacity for water vapour?

Description : If the atmosphere is cooled, what is its capacity for water vapour?

Last Answer : Lowered

The door of a running refrigerator inside a room was left open. Which of the following statements is correct?  (a) The room will be cooled to the temperature inside the refrigerator.  (b) The room will be cooled very slightly.  (c) The room will be gradually warmed up.  (d) The temperature of the air in room will remain unaffected.  (e) any one of above is possible depending on the capacity.

Description : The door of a running refrigerator inside a room was left open. Which of the following statements is correct?  (a) The room will be cooled to the temperature inside the refrigerator.  (b) The room ... air in room will remain unaffected.  (e) any one of above is possible depending on the capacity.

Last Answer : Answer : c

Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing? -Do You Know?

Description : Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing? -Do You Know?

Last Answer : answer:

The digestability of certain denatured proteins by proteolytic enzymes (A) Decreases (B) Increases (C) Normal (D) None of these

Description : The digestability of certain denatured proteins by proteolytic enzymes (A) Decreases (B) Increases (C) Normal (D) None of these

Last Answer : Answer : A

Pepsin acts on denatured proteins to produce (A) Proteoses and peptones (B) Polypeptides (C) Peptides (D) Dipeptides

Description : Pepsin acts on denatured proteins to produce (A) Proteoses and peptones (B) Polypeptides (C) Peptides (D) Dipeptides

Last Answer : Answer : A

Denatured alcohol 1. Is an impure form of ethanol 2. Is unfit for drinking as it contains poisonous substances 3. Contains impurities 4. Is very unsafe to consume The correct answers are: (a) 1, 2 and 4 (b) 1, 2, 3 and 4 (c) 2, 3 and 4 (d) 1, 2 and 3

Description : Denatured alcohol 1. Is an impure form of ethanol 2. Is unfit for drinking as it contains poisonous substances 3. Contains impurities 4. Is very unsafe to consume The correct answers are: (a) 1, 2 and 4 (b) 1, 2, 3 and 4 (c) 2, 3 and 4 (d) 1, 2 and 3

Last Answer : Ans:(b)

Ethanol containing 5% water is known as – (1) rectified spirit (2) denatured spirit (3) methylated alcohol (4) power alcohol

Description : Ethanol containing 5% water is known as – (1) rectified spirit (2) denatured spirit (3) methylated alcohol (4) power alcohol

Last Answer : (1) rectified spirit Explanation: A rectified spirit, rectified alcohol, or neutral spirit is highly concentrated ethanol which has been purified by means of repeated distillation, a process that is ... drinks, in the production of liqueurs, for medicinal purposes, and as a household solvent.

Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing?

Description : Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing?

Last Answer : Pyridine

Three of the following statements about enzymes are correct and one is wrong. Which one is wrong? (a) Enzymes require optimum pH for maximal activity. (b) Enzymes are denatured at high temperature but in certain exceptional organisms they are effective even at temperatures 80° - 90°C. (c) Enzymes are highly specific. (d) Most enzymes are proteins but some are lipids.

Description : Three of the following statements about enzymes are correct and one is wrong. Which one is wrong? (a) Enzymes require optimum pH for maximal activity. (b) Enzymes are denatured at high temperature but ... - 90°C. (c) Enzymes are highly specific. (d) Most enzymes are proteins but some are lipids.

Last Answer : (d) Most enzymes are proteins but some are lipids.

Which of the following statements about enzymes is wrong? (a) Enzymes are denatured at high temperatures. (b) Enzymes are mostly proteins but some are lipids also. (c) Enzymes are highly specific. (d) Enzymes require optimum pH and temperature for maximum activity

Description : Which of the following statements about enzymes is wrong? (a) Enzymes are denatured at high temperatures. (b) Enzymes are mostly proteins but some are lipids also. (c) Enzymes are highly specific. (d) Enzymes require optimum pH and temperature for maximum activity

Last Answer : (b) Enzymes are mostly proteins but some are lipids also.

Methanol is known as : (a) Rubbing alcohol (b) Grain alcohol (c) Wood alcohol (d) Denatured alcohol

Description : Methanol is known as : (a) Rubbing alcohol (b) Grain alcohol (c) Wood alcohol (d) Denatured alcohol

Last Answer : Wood alcohol

1. Besides water and light which is more essential as a raw material for photosynthesis? 2. Which can impose reasonable restrictions on the Fundamental Rights of the Indian citizens? 3. Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing? 4. What is the administrative capital of South Africa? 5. During the 1857 Revolt who captured Gwalior from the Scindhia ?

Description : 1. Besides water and light which is more essential as a raw material for photosynthesis? 2. Which can impose reasonable restrictions on the Fundamental Rights of the Indian citizens? 3. Denatured ... portion remaining above the sea level? 20. At which place is the famous Kailasha Temple located?

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Ethanol containing 5% water is known as (1) rectified spirit (2) denatured spirit (3) methylated alcohol (4) power alcohol

Description : Ethanol containing 5% water is known as (1) rectified spirit (2) denatured spirit (3) methylated alcohol (4) power alcohol 

Last Answer : rectified spirit

Denatured spirit is ethanol mixed with (1) Petrol (2) Kerosene (3) Water (4) Pyridine

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Which of the following is/are true? A. Because of its thickness, the tensile strength of a healing wound on the eyelid is much less than one on the thick skin of the back. B. By 2 days, the experimental burst strength of skin is minimal since collagen has been formed in the wound but has not yet cross-linked. C. Wound strength reaches a plateau by 3 weeks. D. Wounds rarely, if ever, regain the strength of intact tissues.

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Last Answer : Answer: BD DISCUSSION: Tensile strength measures load per cross-section area at rupture, whereas burst strength measures load required to break a wound, regardless of dimension. Therefore, skin wounds have ... a slower rate for more than a year. Wounds do not regain the strength of normal tissue

The tendency of a deformed solid to regain its actual proportions instantly upon unloading known as ______________ a) Perfectly elastic b) Delayed elasticity c) Inelastic effect d) Plasticity

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Last Answer : a) Perfectly elastic

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Description : A material is said to be perfectly elastic if  (A) It regains its original shape on removal of the load  (B) It regains its original shape partially on removal of the load  (C) It does not regain its original shape at all  (D) None of these

Last Answer : (A) It regains its original shape on removal of the load 

A member which does not regain its original shape after removed of load producing deformation is said (A) Plastic (B) Elastic (C) Rigid (D) None of these

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Last Answer : (A) Plastic

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