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Biological Sciences AllOther (236) A certain radioactive element A, has a half life = t seconds. In (t/2) seconds the fraction of the initial quantity of the element so far decayed is nearly how much?
2223A man speaks the truth 3 out of 4 times. He throws a die and reports it to be a 6. What is the probability of it being a 6?
2 5619An electron is injected into a region of uniform magnetic flux density with the components of velocity parallel to and normal to the flux. What is the path of the electron?
1 4747If the sum of n terms of two series of A.P are in the ratio 5n+4:9n+6 .find the ratio of their 13th terms
3 34005How long will a train 100m long traveling at 72kmph take to overtake another train 200m long traveling at 54kmph?
3374
What are the various modifications of gram stain?
What is an analogy for a smooth endoplasmic reticulum?
How the production of rna called?
Give an account on Mammalian HP1 mutant cell line ?
Explain why the three-domain system was devised and identify the domains to which microorganisms belong?
What is viviparous animal?
Explain what is information?
What are the cells produced in the first stage of the embryonic development called?
What is meant by suction force of the plant cell?
Name the three aquatic mammals?
How to find a sequence of dna molecule?
What is the quaternary structure of a protein? Do all proteins have quaternary structure?
Describe the process of replication in viruses?
Explain muscle cells lysis ?
Which sex(es) of flowers in the Cucurbitaceae have nectary disks? Why?