Description : What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis ? (a) The smaller the fragment size, the farther it moves. (b) Positively charged fragments move to farther end. ... charged fragments do not move. (d) The larger the fragment size, the farther it moves.
Last Answer : (a) The smaller the fragment size, the farther it moves
Description : The DNA fragments separated on an agarose gel can be visualised after staining with (a) acetocarmine (b) aniline blue (c) ethidium bromide (d) bromophenol blue.
Last Answer : (c) ethidium bromide
Description : The DNA fragments separated on an agarose gel can be visualised after staining with : (1) Acetocarmine (2) Aniline blue (3) Ethidium bromide (4) Bromophenol blue
Last Answer : (3) Ethidium bromide
Description : How long can I leave this 1% agarose gel out in room temperature before electrophoresis?
Last Answer : From surfing around, it looks like the gel will last several weeks at room temperature without drying out. I couldn’t find anything that indicated that which dye is used matters, but I doubt it.
Description : What is agarose gel electrophoresis? -Biology
Last Answer : answer:
Description : What is agarose gel electrophoresis used for? -Biology
Description : What does agarose gel electrophoresis do? -Biology
Description : Agarose extracted from sea weeds is used in (a) spectrophotometry (b) tissue culture (c) PCR (d) gel electrophoresis
Last Answer : (d) gel electrophoresis.
Description : What is the criterion for DN A fragments movement on agarose gel during gel electrophoresis ? (1) The smaller the fragment size, the farther it moves (2) Positively charged fragments move to farther ... Negatively charged fragments do not move (4) The larger the fragment size, the farther it moves
Last Answer : (1) The smaller the fragment size, the farther it moves
Description : In gel electrophoresis, separated DNA fragments can be visualized with the help of (a) acetocarmine in bright blue light (b) ethidium bromide in UV radiation (c) acetocarmine in UV radiation (d) ethidium bromide in infrared radiation.
Last Answer : (b) ethidium bromide in UV radiation
Description : Gel electrophoresis is used for (a) construction of recombinant DNA by joining with cloning vectors (b) isolation of DNA molecules (c) cutting of DNA into fragments (d) separation of DNA fragments according to their size.
Last Answer : (d) separation of DNA fragments according to their size.
Description : Why does DNA move towards the anode in gel electrophoresis? -Biology
Description : How does gel electrophoresis separate DNA fragments?
Last Answer : There is a specific density of gel used in the electrophoresis.The DNA is placed in a well, and then electrical charge is used topull the DNA through the gel. Because spliced DNA is ... taxi cab, which is larger, movesslower through the traffic. The bicycle which is smaller, movesquicker.
Description : Why can gel electrophoresis separate dna fragments?
Last Answer : Electrophoresis enables you to distinguish DNA fragments of different lengths. DNA is negatively charged, therefore, when an electric current is applied to the gel, DNA will migrate towards the positively ... marker, you can work out the approximate length of the DNA fragments in the samples.
Description : Write the importance of gel electrophoresis during DNA finger print technology.
Last Answer : Gel electrophoresis helps to break down the DNA of an individual into short fragments from which a DNA finger print can be obtained.
Description : Given below are four statements pertaining to separation of DNA fragments using gel electrophoresis. Identify the incorrect statements. (i) DNA is negatively charged molecule and so it is loaded on gel towards the anode terminal. (ii) DNA ... (iii) (c) (ii), (iii) and (iv) (d) (i), (ii) and (iv)
Last Answer : (d) (i), (ii) and (iv)
Description : If agarose gel material is labeled 1 what does the 1 refer to?
Last Answer : Need answer
Description : DNA fragments generated by the restriction endo- nucleases in a chemical reaction can be separated by (a) electrophoresis (b) restriction mapping (c) centrifugation (d) polymerase chain reaction.
Last Answer : (a) electrophoresis
Description : Electrophoresis is mainly used for: (a) Differentiate the biological sample (b) To perform the human specific presumptive tests (c) DNA isolation from biological material (d) Separates the molecules
Last Answer : Ans: (d). Separate the molecules
Description : Which of the following techniques is used to separate proteins based upon differences in their mass? (A) Isoelectric focusing (B) Dialysis (C) SDS-gel Electrophoresis (D) Western blotting
Last Answer : Answer : C
Description : What is gel electrophoresis? -Biology
Description : What is gel electrophoresis used for? -Biology
Description : The movement of charged particles towards one of the electrodes under the influence of electrical current is (A) Gel filtration (B) Molecular sieving (C) Gas liquid chromatography (D) Electrophoresis
Last Answer : Answer : D
Description : The technique for purification of proteins that can be made specific for a given protein is (A) Gel filtration chromotography (B) Ion exchange chromatography (C) Electrophoresis (D) Affinity chromatography
Description : What is gel electrophoresis?
Last Answer : The technique of breaking down the DNA of individual into short segments using specific enzymes is called gel electrophoresis.
Description : 11. Gel electrophoresis is used for a) Construction of recombinant DNA by joining with cloning vectors b) Isolation of DNA molecules c) Cutting of DNA into fragments d)Separation of DNA fragments according to their size
Last Answer : d)Separation of DNA fragments according to their size
Description : Plasma protein can be separated by (A) Salting out with (NH4)2SO4 (B) Ultracentrifugation (C) Immuno electrophoresis (D) All of these
Description : How does DNA migrate in electrophoresis?
Description : An analysis of chromosomal DNA using the Southern hybridization technique does not use (a) electrophoresis (b) blotting (c) autoradiography (d) PCR.
Last Answer : (d) PCR.
Description : Which of the following statement is false (a). Enzymes are differentiated by electrophoresis method (b). While DNA sequencing both forward and reverse primers are used (c). Amplification is done through PCR (d). ABO blood grouping is mainly used for differentiating individuals
Last Answer : Ans: (b). While DNA sequencing both forward and reverse primers are used
Description : The sorting out of molecules according to size and shape may be adapted to protein purification in this technique: (A) Adsorption chromatography (B) Gel filtration chromatography (C) Paper chromatography (D) None of these
Last Answer : Answer : B
Description : When air passes through silica gel, A. it absorbs water vapour molecules B. latent heat of condensation is released C.dbt of air increases D. all of the mentioned
Last Answer : ANSWER : D
Description : In DNA finger printing method, the transfer of DNA from gel to nylon membrane is called________ a. Western Blotting b. Eastern Blotting c. Southern Blotting d. Northern Blotting
Last Answer : c. Southern Blotting
Description : If the base sequence on a separated DNA strand is CGTAGG what will the base sequence on its complementary strand be?
Last Answer : What is the answer ?
Description : DNA is (A) Usually present in tissues as a nucleo protein and cannot be separated from its protein component (B) A long chain polymer in which the internucleotide linkages are of the diester type between C-3 ... linkages are between C-2' and C-5' (D) Hydrolyzed by weal alkali (pH9 to 100°C)
Description : 4. The DNA fragments produced by the use of restriction endonucleases can be separated by (a) polymerase chain reaction (b) gel electrophoresis (c) density gradient centrifugation (d) any of the above.
Last Answer : gel electrophoresis
Description : Restriction endonucleases (a) are present in mammalian cells for degradation of DNA when the cell dies (b) are used in genetic engineering for ligating two DNA molecules (c) are used for in vitro DNA synthesis (d) are synthesized by bacteria as part of their defense mechanism.
Last Answer : (d) are synthesized by bacteria as part of their defense mechanism.
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
Description : In electrophoresis,
Last Answer : In electrophoresis, A. the colloidal particles migrate in an applied electric field. B. the medium ... . neither the particles not the medium migrate.
Description : Define the terms : a. Inhibition b. Electrophoresis c. Catalysis.
Last Answer : Define the terms : a. Inhibition b. Electrophoresis c. Catalysis.
Description : Explain Electrophoresis in brief with the help of diagram. What are its applications?
Last Answer : Explain Electrophoresis in brief with the help of diagram. What are its applications?
Description : Protein electrophoresis - urine?
Last Answer : DefinitionA urine protein electrophoresis is a test that estimates how much of certain proteins you have in your urine.See also:Immunoelectrophoresis - urineImmunofixation - urineAlternative NamesUrine protein ... the health care provider or assistant.In infants, thoroughly wash the area around the
Description : Protein electrophoresis - serum?
Last Answer : DefinitionThis test measures the types of protein in the fluid (serum) part of a blood sample.See also:Immunoelectrophoresis - serumImmunofixation - serumSerum globulin electrophoresisAlternative NamesLipoprotein ... except albumin, are not usually measured. However, protein fractions or groups A
Description : Hemoglobin electrophoresis?
Last Answer : DefinitionHemoglobin electrophoresis is a test that measures the different types of the oxygen-carrying protein (hemoglobin) in the blood.Alternative NamesHb electrophoresis; Hgb electrophoresis; Electrophoresis - ... .Once the blood has been collected, the needle is removed, and the punctu
Description : Lipoprotiens may be identified more accurately by means of (A) Electrophoresis (B) Ultra centrifugation (C) Centrifugation (D) Immunoelectrophoresis
Description : The antibodies raised against a pure protein will show only one sharp spike on this technique: (A) Solubility curve (B) Solvent precipitation (C) Molecular weight determination (D) Immuno electrophoresis
Description : Which one of the following statements concerning glutamine is correct? (A) Contains three tetratable groups (B) Is classified as an acidic amino acid (C) Contains an amide group (D) Migrates to the cathode during electrophoresis at pH 7.0
Description : Plasma proteins are isolated by (A) Salting out (B) Electrophoresis (C) Flourimetry (D) Both (A) and (B)