Myocardial fibers are separated by membranes, but depolarization spreads radially (syncytium) because of the presence of:

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#Question id: 4640

#Unit 11. Evolution and Behavior

During drought years on the Galapagos, small, easily eaten seeds become rare, leaving mostly large, hard-cased seeds that only birds with large beaks can eat. If a drought persists for several years, what should one expect to result from natural selection?

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#Question id: 17073

#Unit 12. Applied Biology

Hypoxanthine is converted into guanine by the enzyme HGPRT an enzymes of the salvage pathway. What does HGPRT stands for?

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#Question id: 1882

#Unit 4. Cell Communication and Cell Signaling

Type I hypersensitivity can be blocked using:

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#Question id: 460

#Unit 1. Molecules and their Interaction Relevant to Biology

The hydrolysis of ATP to ADP has a △G°ʹ of -30 kJ/mol. If in an E. coli cell the concentrations of ATP, ADP and inorganic phosphate are 7.90 mM, 1.04 mM and 7.9 mM, respectively, which statement is true about the hydrolysis of ATP in the cell? (Assume a temperature of 298 K. R = 8.315 J/K-mol)

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#Question id: 10400

#Unit 6. System Physiology – Plant

phyB mutant has shown___