In fluorescence microscopy why the fluorescence occurs at longer wavelength when there shorter   wavelength of light is applied?

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#Question id: 20539

#SCPH28 | Zoology

Aromatic hydrocarbons including benzene, toluene, ethylbenzene and xylene collectively referred as BTEX compounds. Which of them are not considered as carcinogenic?

1. Benzene

2. Toluene

3. Ethylbenzene

4. Xylene

Which of them is a correct option?

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#Question id: 13081

#SCPH01 Biochemistry

Correct statements about RAPD’s

A. RAPD polymorphism is detected by using oligonucleotides usually more than 10 bases long of random sequences as primers in a reaction.

B. In a strain which has in genomic DNA sequences complementary to the primer oligonucleotide, PCR products will be detected in the gel,

C. Typical RAPD markers show limited variation between parents, especially in naturally inbreeding species.

D. RAPDs are more sensitive than RFLPs to experimental conditions making them more difficult to be consistent and reproducible.

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#Question id: 581

#I Life Science/ Life Sciences Group – I-V

The main difference between chemical and enzyme kinetics is that

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#Question id: 2626

#SCPH28 | Zoology

lac operator is made up of

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#Question id: 4155

#SCPH06 I Botany

Of all the possible triplet codons, __ do not code for an amino acid.