__________ type of biosensors exist to measure the concentration and location of Ca2+ and the activation state of GTPase switch proteins.

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#Question id: 2323

#SCPH06 I Botany

Prior to replication the DNA in the nucleus is in the form of a tangled mass called

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#Question id: 19514

#SCPH05 I Biotechnology

A cathode and an anode are the most common components of an electrochemical cell. Which of the following claims about the cathode is correct?

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#Question id: 13035

#SCPH05 I Biotechnology

Each band on the gel represents a different protein (or protein subunit); _____ proteins move through the gel more _____ than_____ proteins and therefore are found nearer the _____ of the gel.

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#Question id: 1729

#SCPH01 Biochemistry

When a resting naive T-cell engages its specific MHC–peptide complex displayed on the surface of a fibroblast, it:

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#Question id: 5753

#SCPH06 I Botany

A bacterial histidine mutant was plated on minimal medium and a single colony grew. You decide to sequence the histidine biosynthetic gene of the revertant and discover that the original mutation is still present.  This colony must have been able grow due to a