Stably attachment of sister kinetochores to microtubules emanating

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#Question id: 695

#Unit 1. Molecules and their Interaction Relevant to Biology

A D-amino acid would interrupt an alpha helix made of L-amino acids. Another naturally occurring hindrance to the formation of an alpha helix is the presence of:

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#Question id: 26471

#Unit 3. Fundamental Processes

Intrinsic terminators are responsible for prokaryotic transcription termination, so which of the following is the characteristics of Intrinsic terminators

a. It  include palindromic regions 

b. It do not include palindromic regions 

c. Palindromic regions that form hairpins varying in length from 7 to 20 bp

d. The stem-loop structure includes a G-C–rich region and is followed by a run of 7U residues.

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#Question id: 11871

#General Aptitude

The bells begin to toll together and they toll respectively at intervals of 6, 7, 8, 9 and 12 seconds. After how many seconds will they toll together again?

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#Question id: 3970

#Unit 3. Fundamental Processes

In bacteria, an operon:

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#Question id: 18701

#Unit 13. Methods in Biology

PCR (polymerase chain reaction) is an excellent method of generating copies of target DNA. If a single piece of double stranded DNA (dsDNA) is put into a PCR machine, how many dsDNA segments will there be after 3 rounds?