The equilibrium constant, Keq, for the following reaction is 2 × 105 M: If the measured cellular concentrations are [ATP] = 5 mM, [ADP] = 0.5 mM, and [Pi] = 5 mM, on the basis of the above information calculate the Keq in living cells?

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#Question id: 4083

#Unit 3. Fundamental Processes

Differential splicing of the Ca2+-activated K+ channel gene in ciliated neurons results in

a. hair cells with different response frequencies.

b. different channel isoforms.

c. channels that open at different calcium concentrations.

d. different channel mRNAs expressed in different cells.

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#Question id: 32148

#Unit 1. Molecules and their Interaction Relevant to Biology

hexanucleotide m5CGATm5CG, a Py-Pu- Pu-Py-Py-Pu sequence containing two 5-methylcytosines (m5C), crystallizes as

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#Question id: 1469

#Unit 4. Cell Communication and Cell Signaling

Forms of the Ras protein found in tumors usually cause which of the following events to occur?

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#Question id: 2773

#Unit 2. Cellular Organization

Which of the following is an algorithm designed to compare the sequence of a newly identified protein with sequences already stored in the GenBank database?

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#Question id: 31109

#Unit 2. Cellular Organization

Formins are activated by: