In competitive species N1 and N2, four individuals of N2 use the same resource as one individuals of N1. According conversion factor, what is the value of per capita competitive effect of N2 on N1(α) and per capita effect of N1 on N2 ( β) respectively?

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#Question id: 5067

#SCPH28 | Zoology

The yolky eggs of birds undergo:

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#Question id: 8841

#SCPH28 | Zoology

Adaptive radiations can be a direct consequence of four of the following five factors. Select the exception.

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#Question id: 607

#SCPH05 I Biotechnology

In E. coli ________ is an activator and ________ is a negative allosteric modulator of the enzyme phosphofructokinase-1. 

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#Question id: 14151

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

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: 92

#SCPH06 I Botany

Monosaccharide derivatives in which an amino group replaces one of the hydroxyl groups may have important roles in