Pili are usually longer than fimbriae and number only one or two per cell. Pili are involved in motility and DNA transfer. The type of motility, called 

1. Extrusion

2. Somersaulting

3. Twitching motility 

4. Gliding motility

Which combination from the following is correct?

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#Question id: 11667

#SCPH28 | Zoology

Which of the following is characteristic of juxtamedullary nephrons?

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#Question id: 4920

#SCPH12 I Genetics

In Neurospora, the mutant stp exhibits erratic stop-and start growth. When a female of stp strain is crossed with a normal strain acting as a male, all progeny individuals' showed stp mutant phenotype. However, the reciprocal cross resulted in all normal progeny, individuals. These results can be explained on the basis of

A. Uniparental gene contribution

B. Nuclear inheritance with concept of dominance

C. Sex link character

D. stp mutation may be located in chloroplast DNA

The most appropriate statement or combination of the above statements for explaining the experimental results is:

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#Question id: 14497

#SCPH28 | Zoology

In a throw of 3 dice the probability that at least one die shows up 1 is

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#Question id: 1580

#SCPH05 I Biotechnology

Advantages of Toxoid (inactivated exotoxin) can be

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#Question id: 20026

#SCPH28 | Zoology

Which of the following technique is most sensitive, that can analyzed 2μg per ml of antigen?