Bacterial artificial chromosomes (BACs), cosmids, phages, plasmids and yeast artificial chromosomes (YACs) are all commonly used cloning vectors that differ in their cloning capacities, with a range from approximately 100 bp to 1000 kb. Which of the following is the increasing cloning capacity?

#Question id: 2956

#Part-A Aptitude & General Biotechnology

The product of the cdc2 gene is

#Question id: 11450

#Part-A Aptitude & General Biotechnology

 The conversion of a stimulus into an action potential by a receptor cell is called ________.

#Question id: 797

#Part-B Specialized Branches in Biotechnology

With respect to microRNAs, which, if any, of the following statements, is FALSE?)

A. MicroRNA genes often occur in gene clusters within introns of protein-coding genes and are usually transcribed by RNA polymerase II.

B. Like an mRNA a miRNA is initially produced as a larger precursor RNA that, like the great majority of mRNAs, usually has a 5’ cap and a poly(A) tail.

C. MicroRNAs are produced by germ-line cells only.

D. A miRNA is initially produced as a duplex RNA but in order to work it needs to be converted into a single-strand RNA.

E. MicroRNAs usually work as transcription factors.

#Question id: 1389

#Part-B Specialized Branches in Biotechnology

 Why has C. elegans proven to be a useful model for understanding apoptosis?

#Question id: 5634

#Part-B Specialized Branches in Biotechnology

Which of the following are not released from cortical granules during prevention of polyspermy