A mutation in an E. coli cell becomes active half-way through a round of replication. The cell completes the round of replication normally but then cannot start a second round. Which protein could be mutated?

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#Question id: 6988

#Unit 5. Developmental Biology

Many cells in the body divide only rarely, if at all; neurons, red blood cells, and keratinocytes are extreme examples. In which portion of the cell cycle would such cells be considered to be?

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#Question id: 12286

#Unit 10. Ecological Principles

Keystone predators can maintain species diversity in a community if they

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#Question id: 5216

#Unit 11. Evolution and Behavior

Alu elements account for about 10% of the human genome. What does this mean?

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#Question id: 18380

#Unit 12. Applied Biology

A commonly used municipal wastewater treatment to restart activated sludge bioreactors. Which technique is involved in this remediation process?

TLS Online TPP Program

#Question id: 15811

#Unit 5. Developmental Biology

In XX Drosophila, which gene is activated during the first 2 hours after fertilization?