Which thermodynamic quantity is used to determine if a reaction in a cell is spontaneous?

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#Question id: 28065

#Unit 1. Molecules and their Interaction Relevant to Biology

Guanidinium ion and urea are  

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#Question id: 18607

#Unit 13. Methods in Biology

The PCR consists of three defined sets of times and temperatures, termed steps

a) Denaturation at 94°C, for 0.5 min

b) Primer annealing at 55°C for 1.5 min

c) Extension at 72°C for 1 min

d) only denaturation and extension

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#Question id: 32380

#Unit 2. Cellular Organization

Which of the following protein consists almost entirely of a repeating 35-amino-acid actin-binding motif?

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#Question id: 11460

#Unit 7. System Physiology – Animal

The round window ________.

I) dampens fluid vibrations

II) collects sound pressure waves

III) detects the frequency of sounds

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#Question id: 2960

#Unit 2. Cellular Organization

Which type of spindle microtubules are attached to chromosomes?