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Which of the following pairs are correctly matched ? A. Missense mutation - Substitution of one amino acid for another B. Nonsense mutation - The altéred DNA sequence is a stop codon C. Frame shift mutation - The subsequent amino acids are altered D. Silent mutation - There is no change in the DNA sequence
Consider the following statements regarding Mutation in genes: 1. Effects of mutation in somatic cells are observed in offspring whilst germ cells are not. 2. Chromosomal mutation may occur due to the absence of one or more chromosomes or some portion of it. Which of the statements given above is/are correct? 
In an AM system receiver. the mixer translates the carrier frequency fc to a fixed intermediate frequency of 450 kHz. Given a broadcast signal of frequency 900 kHz. What is the corresponding image frequency when a superhetrodyne receiver is employed with local oscillator frequency greater than the broadcast signal frequency?
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives. When the kerosene burned, the fuel in the tank below would be __________ pressure, and __________a small circular flame would appear in the burner.The valve had to be opened to let more kerosene vapour to the burner and pumping resumed. With the increase in pressure, the burner flame would spread _________ a loud noise. To lower the flame,the valve had to be _________ opened to reduce the pressure and then tightened until the desired flame size was achieved. _________ you wanted the flame to be bigger, you had to hit the piston again. Pump stoves are still in vogue. had to be _________ opened to reduce
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives. When the kerosene burned, the fuel in the tank below would be __________ pressure, and __________ a small circular flame would appear in the burner. The valve had tobe opened to let more kerosene vapour to the burner and pumping resumed. With the increase in pressure, the burner flame would spread _________ a loud noise. Tolower the flame, the valve had to be _________ opened to reduce the pressure and then tightened until the desired flame size was achieved. _________ you wanted theflame to be bigger, you had to hit the piston again. Pump stoves are still in vogue. had to be _________ opened to reduce
Rad52 mutated strains grow slowly than RAD strains.
What is the maximum approximate length of the genes that can be cloned using YACs?
There are 5.5 billions bacteria. If 1 in 75 millions can do mutation how many bacteria was there possible can do mutation?
The different age group people go for a morning walk. The age of 20 people who go for a morning walk is as follows: 19, 15, 34, 45, 69, 74, 24, 67, 77, 89, 91, 45, 65, 35, 56, 67, 55, 23, 78, 52 The Grouped frequency distribution table of above will be: (A)  S. No Class Frequency 1 0-20 2 2 20-40 4 3 40-60 5 4 60-80 7 5 80-100 2 (B)  S. No Class Frequency 1 0-20 3 2 20-40 3 3 40-60 5 4 60-80 6 5 80-100 3 (C) S. No Class Frequency 1 0-20 2 2 20-40 4 3 40-60 5 4 60-80 5 5 80-100 4 (D) S. No Class Frequency 1 0-20 2 2 20-40 7 3 40-60 2 4 60-80 7 5 80-100 2
A source of unknown frequency gives 4 beats / s, when sounded with a source of known frequency 250 Hz. The second harmonic of the source of unknown frequency gives five beats per second, when sounded with a source of frequency 513 Hz. The unknown frequency is: