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: 10510

#SCPH05 I Biotechnology

Constitutive chemical defenses are effective against many different herbivores, including insects and mammals. Hemlock (Cicuta sp.) produces which toxins that a polyacetylene prolongs the repolarization of neuronal action potentials.

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#Question id: 346

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

The partial negative charge in a molecule of water occurs because ________.

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#Question id: 3665

#SCPH06 I Botany

Which of the following is true for Tandem-duplication mutations?

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#Question id: 1292

#SCPH06 I Botany

Heparan sulfate, an example of a(n) _____________, aids in the activation of ____________.

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#Question id: 19123

#SCPH06 I Botany

What is a Biosensor?

1. Device which employs a biological material to specifically interact with an analyte

2. Physical change measured and converted into an electrical signal 

3. Device which separate analytes 

Which of the following above statements are true for biosensor?