At which stage of Arabidopsis embryogenesis, embryo and seed lose water and become metabolically inactive as they enter dormancy?

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#Question id: 31376

#Unit 2. Cellular Organization

In S. cerevisiae, DNA replication is tightly controlled, and DNA should replicate once per cell cycle. Choose the INCORRECT statement regarding why the cells do not re-replicate their DNA in the S-phase?

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#Question id: 31377

#Unit 2. Cellular Organization

During microfilament formation, critical concentration (Cc) represents:

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#Question id: 31380

#Unit 2. Cellular Organization

If you were to remove the ER retrieval signal from protein disulfide isomerase (PDI), which is normally a soluble resident of the ER lumen, where would you expect the modified PDI to be located?

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#Question id: 31388

#Unit 2. Cellular Organization

How does the low pH of lysosomes protect the rest of the cell from lysosomal enzymes in case the lysosome breaks?

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#Question id: 31393

#Unit 2. Cellular Organization

CFTR, an ABC protein, is a Cl− channel, not a pump. Channel opening is triggered: 

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#Question id: 31394

#Unit 2. Cellular Organization

Which of the following cellular processes are not influenced by mitochondria-associated membranes (MAMs)?