In prokaryotes, the presence of a protein called rho will:

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#Question id: 15744

#Unit 5. Developmental Biology

In XX gonads, germ cells are essential for the:

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#Question id: 12104

#Unit 10. Ecological Principles

Two barnacles, Balanus and Chthamalus, can both survive on the lower rocks just above the low-tide line on the Scottish coast, but only Balanus actually does so, with Chthamalus adopting a higher zone. Which of the following best accounts for this niche separation?

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#Question id: 1869

#Unit 4. Cell Communication and Cell Signaling

Which of the following HIV antigens provides a potential target for neutralizing antibody?

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#Question id: 745

#Unit 1. Molecules and their Interaction Relevant to Biology

The structure of RNA differs from that of DNA, as RNA contains:

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#Question id: 12966

#Unit 10. Ecological Principles

You are planning a dive in a lake, and are eager to observe not many underwater organisms but be able to observe them both close up and far away. You would do well to choose