Why are restriction enzymes called molecular scissors? -Biology

Why are restriction enzymes called molecular scissors? -Biology
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he molecular scissors use3d to cut DNA into specific genes of interest are called (a) Exonucleases (b) Restriction endonucleases (c) Ligases (d) Polymerases

Description : he molecular scissors use3d to cut DNA into specific genes of interest are called (a) Exonucleases (b) Restriction endonucleases (c) Ligases (d) Polymerases

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Highly specific molecular scissors that cut DNA are called -Biology

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Molecular scissors used in genetic engineering

Description : Molecular scissors used in genetic engineering

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Description : What is the enzymatic function of restriction enzymes? -Biology

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Description : What is the source of restriction enzymes? -Biology

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What are restriction enzymes used for? -Biology

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Why are restriction enzymes used for DNA fingerprinting? -Biology

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Why is cutting enzymes known as the restriction enzymes? -Biology

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Why is cutting enzymes known as the restriction enzymes? -Biology

Description : Why is cutting enzymes known as the restriction enzymes? -Biology

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Assetion: Restriction enzymes cut the strand 27 of DNA to produce sticky ends Reason : Stickiness of the ends faciliates the action of the enzyme DNA

Description : Assetion: Restriction enzymes cut the strand 27 of DNA to produce sticky ends Reason : Stickiness of the ends faciliates the action of the enzyme DNA

Last Answer : Assetion: Restriction enzymes cut the strand 27 of DNA to produce sticky ends Reason : Stickiness of ... D. If both assertion and reason are false

Which of the following restriction enzymes produces blunt ends ?

Description : Which of the following restriction enzymes produces blunt ends ?

Last Answer : Which of the following restriction enzymes produces blunt ends ? A. Xho I B. Hind III C. Sal I D. Eco RV

What role do restriction enzymes play in analysis of Edna?

Description : What role do restriction enzymes play in analysis of Edna?

Last Answer : Feel Free to Answer

A scientist wants to make a dna fingerprint and she used polymerase chain reaction and restriction enzymes what should her next step be?

Description : A scientist wants to make a dna fingerprint and she used polymerase chain reaction and restriction enzymes what should her next step be?

Last Answer : use restriction enzymes is the right answer for apex :)

A scientist wants to make a dna fingerprint and she used polymerase chain reaction and restriction enzymes what should her next step be?

Description : A scientist wants to make a dna fingerprint and she used polymerase chain reaction and restriction enzymes what should her next step be?

Last Answer : use restriction enzymes is the right answer for apex :)

Restriction enzymes have been found in (A) Humans (B) Birds (C) Bacteria (D) Bacteriophase

Description : Restriction enzymes have been found in (A) Humans (B) Birds (C) Bacteria (D) Bacteriophase

Last Answer : Answer : C

DNA contains some palindromic sequences which (A) Mark the site for the formation of replication forks (B) Direct DNA polymerase to turn back to replicate the other strand (C) Are recognized by restriction enzymes (D) Are found only in bacterial DNA

Description : DNA contains some palindromic sequences which (A) Mark the site for the formation of replication forks (B) Direct DNA polymerase to turn back to replicate the other strand (C) Are recognized by restriction enzymes (D) Are found only in bacterial DNA

Last Answer : Answer : C

Restriction endonucleases (A) Cut RNA chains at specific locations (B) Excise introns from hnRNA (C) Remove Okazaki fragments (D) Act as defensive enzymes to protect the host bacterial DNA from DNA of foreign organisms

Description : Restriction endonucleases (A) Cut RNA chains at specific locations (B) Excise introns from hnRNA (C) Remove Okazaki fragments (D) Act as defensive enzymes to protect the host bacterial DNA from DNA of foreign organisms

Last Answer : Answer : D

Read the following four statements (A-D) about certain mistakes in two of them. (A) The first transgenic buffalo, Rosie produced milk which was human alpha-lactalbumin enriched. (B) Restriction enzymes are used in isolation of DNA from other macromolecules. (C) Downstream processing is one of the steps of rDNA technology. (D) Disarmed pathogen vectors are also used in transfer of rDNA into the host. Which of the two statements have mistakes? (a) B and C (b) C and D (c) A and C (d) A and B

Description : Read the following four statements (A-D) about certain mistakes in two of them. (A) The first transgenic buffalo, Rosie produced milk which was human alpha-lactalbumin enriched. (B) Restriction enzymes are used in isolation of DNA ... mistakes? (a) B and C (b) C and D (c) A and C (d) A and B

Last Answer : (d) A and B

PCR and restriction fragment length polymorphism are the methods for(a) study of enzymes (b) genetic transformation (c) DNA sequencing (d) genetic fingerprinting.

Description : PCR and restriction fragment length polymorphism are the methods for (a) study of enzymes (b) genetic transformation (c) DNA sequencing (d) genetic fingerprinting.

Last Answer : (d) genetic fingerprinting.

During the process of isolation of DNA, chilled ethanol is added to (a) precipitate DNA (b) break open the cell to release DNA (c) facilitate action of restriction enzymes (d) remove proteins such as histones.

Description : During the process of isolation of DNA, chilled ethanol is added to (a) precipitate DNA (b) break open the cell to release DNA (c) facilitate action of restriction enzymes (d) remove proteins such as histones.

Last Answer : a) precipitate DNA

The restriction enzymes are used in genetic engineering, because (a) they can cut DNA at specific base sequence (b) they are nucleases that cut DNA at variable sites (c) they can degrade harmful proteins (d) they can join different DNA fragments.

Description : The restriction enzymes are used in genetic engineering, because (a) they can cut DNA at specific base sequence (b) they are nucleases that cut DNA at variable sites (c) they can degrade harmful proteins (d) they can join different DNA fragments.

Last Answer : (a) they can cut DNA at specific base sequence

Restriction endonucleases are enzymes which (a) make cuts at specific positions within the DNA molecule (b) recognize a specific nucleotide sequence for binding of DNA ligase (c) restrict the action of the enzyme DNA polymerase (d) remove nucleotides from the ends of the DNA molecule

Description : Restriction endonucleases are enzymes which (a) make cuts at specific positions within the DNA molecule (b) recognize a specific nucleotide sequence for binding of DNA ligase (c) restrict the action of the enzyme DNA polymerase (d) remove nucleotides from the ends of the DNA molecule

Last Answer : (a) make cuts at specific positions within the DNA molecule

Which of the following restriction enzymes produces blunt ends? (a) SalI (b) EcoRV (c) XhoI (d) HindIII

Description : Which of the following restriction enzymes produces blunt ends? (a) SalI (b) EcoRV (c) XhoI (d) HindIII

Last Answer : (b) EcoRV

Identify the wrong statement with regard to restriction enzymes. (a) Each restriction enzyme functions by inspecting the length of a DNA sequence. (b) They cut the strand of DNA at palindromic sites. (c) They are useful in genetic engineering. (d) Sticky ends can be joined by using DNA ligases.

Description : Identify the wrong statement with regard to restriction enzymes. (a) Each restriction enzyme functions by inspecting the length of a DNA sequence. (b) They cut the strand of DNA at palindromic sites. (c) They are useful in genetic engineering. (d) Sticky ends can be joined by using DNA ligases.

Last Answer : d) Sticky ends can be joined by using DNA ligases.

The cutting of DNA at specific locations became possible with the discovery of (a) selectable markers (b) ligases (c) restriction enzymes (d) probes.

Description : The cutting of DNA at specific locations became possible with the discovery of (a) selectable markers (b) ligases (c) restriction enzymes (d) probes.

Last Answer : (c) restriction enzymes

Which of the following is not required for any of the techniques of DNA fingerprinting available at present? (a) Restriction enzymes (b) DNA-DNA hybridisation (c) Polymerase chain reaction (d) Zinc finger analysis

Description : Which of the following is not required for any of the techniques of DNA fingerprinting available at present? (a) Restriction enzymes (b) DNA-DNA hybridisation (c) Polymerase chain reaction (d) Zinc finger analysis

Last Answer : (d) Zinc finger analysis

TThe most important mechanism of antiinflammatory action of glucocorticoids is: A. Inhibition of lysosomal enzymes B. Restriction of recruitment of inflammatory cells at the site of inflammation C. Antagonism of action of interleukins D. Suppression of complement function

Description : The most important mechanism of antiinflammatory action of glucocorticoids is: A. Inhibition of lysosomal enzymes B. Restriction of recruitment of inflammatory cells at the site of inflammation C. Antagonism of action of interleukins D. Suppression of complement function

Last Answer : B. Restriction of recruitment of inflammatory cells at the site of inflammation

Restriction enzymes are used in one of these techniques: (a). Sequencing (b). Genotyping (c). RFLP (d). Polymerization

Description : Restriction enzymes are used in one of these techniques: (a). Sequencing (b). Genotyping (c). RFLP (d). Polymerization

Last Answer : Ans: (c). RFLP

If all the enzymes, intermediates and cofactors of the citric acid cycle as well as an excess of the starting substrate acetylCoA are present and functional in an organelle free solution at the appropriate pH, which of the following factors of the citric acid cycle would prove to be rate limiting? (A) Molecular oxygen (B) Half life of enzyme (C) Turnover of intermediates (D) Reduction of cofactors

Description : If all the enzymes, intermediates and cofactors of the citric acid cycle as well as an excess of the starting substrate acetylCoA are present and functional in an organelle free solution at the appropriate ... oxygen (B) Half life of enzyme (C) Turnover of intermediates (D) Reduction of cofactors

Last Answer : Answer : D

The catalytic power of enzymes is due to (a) the presence of amino acids in their structures (b) their high molecular weight (c) their ability to lower the activation energy of the reaction (d) their limited solubility in water and other solvents

Description : The catalytic power of enzymes is due to (a) the presence of amino acids in their structures (b) their high molecular weight (c) their ability to lower the activation energy of the reaction (d) their limited solubility in water and other solvents

Last Answer : Ans:(c)

Enzymes having slightly different molecular structure but performing identical activity are (a) holoenzymes (b) isoenzymes (c) apoenzymes (d) coenzymes.

Description : Enzymes having slightly different molecular structure but performing identical activity are (a) holoenzymes (b) isoenzymes (c) apoenzymes (d) coenzymes.

Last Answer : (b) isoenzymes

The catalytic efficiency of two different enzymes can be compared by the (a) formation of the product (b) pH of optimum value (c) Km value (d) molecular size of the enzyme.

Description : The catalytic efficiency of two different enzymes can be compared by the (a) formation of the product (b) pH of optimum value (c) Km value (d) molecular size of the enzyme.

Last Answer : (c) Km value

Enzymes are(A) Proteins with high molecular weight (around 10,000)(B) Derived from living organisms(C) Catalyst for temperature sensitive reactions(D) All (A), (B) and (C)

Description : Enzymes are (A) Proteins with high molecular weight (around 10,000) (B) Derived from living organisms (C) Catalyst for temperature sensitive reactions (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

What are this type of scissors called?

Description : What are this type of scissors called?

Last Answer : They are, indeed, called clever cutters. I had never heard of them, but now that I checked them out, I can see their appeal. That's because recently I bought a pair of scissors to cut my chicken ... hoped it would be (the angle was unwieldy; my wrist hurt because of it). But these look promising.

What are some neat variations of rock-paper-scissors?

Description : What are some neat variations of rock-paper-scissors?

Last Answer : I want to answer but the only idea I have is obscene. lol

How do I find the "perfect strategy" for rock-paper-scissors variants? (see details)

Description : How do I find the "perfect strategy" for rock-paper-scissors variants? (see details)

Last Answer : I would start by reading up on the mathematics of Game theory. GQ.

Whats that poem about Rock, paper, scissors?

Description : Whats that poem about Rock, paper, scissors?

Last Answer : Is this the poem?

In real life we have situations such as: Rock > Scissors, Scissors > paper and Paper > Rock. Is there a type of math to deal with this?

Description : In real life we have situations such as: Rock > Scissors, Scissors > paper and Paper > Rock. Is there a type of math to deal with this?

Last Answer : answer:In Modular Arithmetic the numbers wrap around. That might be a good place to start to define the rules mathematically. As a kid we played rock, paper, scissors, bomb,. Symbol for bomb was fist with ... Bomb destroys rock, etc. .... Mod 4 Rock, paper,scissors, lizard, Spock would be Mod 5

What scissors to buy for cutting hair?

Description : What scissors to buy for cutting hair?

Last Answer : Your best bet would be to go to a beauty supply store and ask the people there.

Are scissors which can't cut a sign of the failure of capitalism?

Description : Are scissors which can't cut a sign of the failure of capitalism?

Last Answer : As long as people are willing to buy crap that doesn't work it's a failure of both capitalism and the consumer not demanding or being willing to pay for things that actually do what they are ... write companies to praise them when I buy a product that is well make and actually works as advertised.

How do you play Rock, Paper, Scissors?

Description : How do you play Rock, Paper, Scissors?

Last Answer : ROCK, FLAG, AND EEEAAGGLEEEE!!!!!! =D

Will harm come if you cut hair with scissors?

Description : Will harm come if you cut hair with scissors?

Last Answer : harm? I think you mean itchiness….