In prokaryotes, the RNA primer from the lagging strand is removed and replaced by the DNA sequence. This process is catalyzed by an enzyme ________ which possess 5'-3' exonuclease activity and 5'-3' polymerase activity.

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#Question id: 11343

#Unit 2. Cellular Organization

In the liver, which type of GLUT transports glucose out of hepatocytes when liver glycogen is broken down to replenish blood glucose?

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#Question id: 11427

#Unit 2. Cellular Organization

Which of the following transporters cause antibiotic resistance in pathogenic microbes such as Pseudomonas aeruginosa, Staphylococcus aureus, Candida albicans, Neisseria gonorrhoeae, and Plasmodium falciparum?

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#Question id: 11428

#Unit 2. Cellular Organization

Each monomer of aquaporin1 has six transmembrane helical segments and two shorter helices, both of which contain the sequence:

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#Question id: 11429

#Unit 2. Cellular Organization

If the ATP supply in the cell shown in the figure below suddenly vanished, would the intracellular glucose concentration increase, decrease, or remain the same?

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#Question id: 11430

#Unit 2. Cellular Organization

For GLUT1 in the human erythrocyte membrane, the Km for glucose transport is 1.5 mM. Thus when the extracellular glucose concentration is 1.5 mM, roughly half the GLUT1 transporters with outward-facing binding sites will have a bound glucose, and transport will occur:

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#Question id: 11490

#Unit 2. Cellular Organization

Valinomycin, which is one of the best characterized ionophores, specifically transports