Arrange the given steps involved in gel electrophoresis used for separation of DNA fragments?
(A) Exposure to UV light
(B) Staining with ethidium bromide
(C) Movement of DNA fragments towards anode
(D) Elution
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Answer the following questions feom the diagram given below :-

The samples in different lanes are from different sources but treated with a common restriction endonuclease. The maximum number of restriction sites are present in

Arrange the following geological periods in chronological order.
(A). Cretaceous
(B). Triassic
(C). Permian
(D). Jurassic
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The mathematical expression that represents the Exponential growth in a population is:

Which of the following step is not the part of downstream processing?

Central dogma in molecular biology states that genetic information flows from:

RNAi takes place in all eukaryotic organisms as a method of

Answer the question on the basis of passage given below :
Nitrogen differs from rest of the members of group 15 due to its small size, high electronegativity, high ionization enthalpy and non-availability of d orbitals. Nitrogen has unique ability to form pa - pa multiple bonds with itself and with other elements having small size and high electronegativity. Heavier elements of this group do not form pa - pr bonds as their atomic orbitals are so large and diffuse that they cannot have effective overlapping.
Linear structure is exhibited by:

Given that \(p_0\) and \(p_1\) represent base and current prices of a commodity, \(q_0\) and \(q_1\) refer to the base and current quantities, then the formula used to calculate price relatives

Read the passage carefully and answer the Questions
Carbonyl compounds such as aldehydes, ketones, and carboxylic acids play an important role in the biochemical process of plants and animal kingdom.
Many aldehydes and ketones find applications in dye, perfumery and other industries.
The carbonyl carbon stom is \(s p^2\)-hybridized forming three sigma and one pi-bond with oxygen.
C-O bonds are polar bond due to high electronegativity of oxygen than carbon.
Hence the carbonyl carbon behaves as an electrophilic center and oxygen as a nucleophilic centre.
Primary and secondary alcohols yield aldehydes and ketones respectively upon oxidation with variety of oxidizing agents.
The boiling points of aldehydes and ketones differ from hydrocarbons and ethers.
Aldehydes and ketones undergo nucleophilic addition reaction due to presence of electrophilic carbonyl carbon.
Nucleophile and a proton add across the carbon oxygen double bond.
The starting compound Y in the following reaction is
\(\text{Y}\) \(\xrightarrow{\text{oxidation}}\) \(\text{aldehyde}\) \(\xrightarrow{\text{oxidation}}\) \(\text{carboxylic acids}\)

The production of seeds without fertilisation is called as:

The probability distribution of a random variable X is given below:

x	-5	-4	-3	-2	-1	0	1	2	3	4	5
P(X)	p	2p	3p	4p	5p	7p	8p	9p	10p	11p	12p

Match List-I with List-II

List-I (Vitamins)	List-II (Diseases)
(A) Vitamin K	(I) Pernicious anaemia
(B) Vitamin A	(II) Osteomalacia
(C) Vitamin B12	(III) Increase blood clotting time
(D) Vitamin D	(IV) Night blindness

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