Which extracellular matrix component is expressed in a cell-specific manner and binds to the tripeptide sequence Arg-Gly-Asp?

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#Question id: 3869

#Section 3: Genetics, Cellular and Molecular Biology

Which one of the following statements about E. coli RNA polymerase (core enzyme) is false?

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#Question id: 148

#Section 2: General Biology

The pKa of a certain weak acid is 4.0. Calculate the ratio of proton acceptor to proton donor at pH 7.0.

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#Question id: 14181

#Section 5: Bioprocess Engineering and Process Biotechnology

Aerobic degradation of benzoic acid by a mixed culture of microorganisms can be represented by the following reaction.

                Determine the yield coefficients YX/S. 

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#Question id: 9268

#Section 2: General Biology

The most active photosynthetic tissue in higher plants is the

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#Question id: 14570

#Section 2: General Biology

MacConkey agar is