Which of the following statement is true?

A) PAM matrices are derived from an evolutionary model whereas the BLOSUM matrices consist of entirely direct observations. 

B) Because of BLOSUM matrices have less evolutionary meaning that is why the PAM matrices are used most often for reconstructing phylogenetic trees.

C) BLOSUM matrices are entirely derived from local sequence alignments of conserved sequence blocks, whereas the PAM matrix is based on the global alignment of full-length sequences.

D) BLOSUM matrices are more advantageous in searching databases and finding conserved domains in proteins.

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#Question id: 2639

#Part-A Aptitude & General Biotechnology

A Lac repressor is a tetramer repressed when bound to the inducer. The trp repressor is a ____________________

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#Question id: 4148

#Part-A Aptitude & General Biotechnology

Which of the following is true about the sorting pathway for proteins destined for incorporation into lysosomes or the plasma membrane of eukaryotic cells?

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#Question id: 5169

#Part-A Aptitude & General Biotechnology

For real values of m, (m-1) (m-3) (m-4) (m-6) +10 is

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#Question id: 11454

#Part-A Aptitude & General Biotechnology

The structure of the mammalian middle ear is adapted to convert ________.

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#Question id: 12493

#Part-A Aptitude & General Biotechnology

Cystic fibrosis shows autosomal recessive inheritance with an incidence of 1 in 2500. The unaffected brother of an affected girl is referred for genetic counseling. Assume that the population is in Hardy-Weinberg equilibrium. Which of the following is correct?