Recent questions in Science

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What prohibits knocking out genes?

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What are the sporophytes in ferns?

asked Dec 27, 2024 in Science by ReyesBoettch (610 points)

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Found in plants and algae, chloroplasts are the site of what process?

asked Dec 27, 2024 in Science by AdolfoCarpen (270 points)

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What was the first widely used antibiotic?

asked Dec 27, 2024 in Science by SterlingOrne (410 points)

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Where do organisms acquire toxic substances from along with nutrients and water?

asked Dec 27, 2024 in Science by MistyCorona (570 points)

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What kind of relationship between glucagon and insulin is vital to managing fuel storage and consumption by body cells?

asked Dec 27, 2024 in Science by Teresita82Q2 (490 points)

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Terrestrial arthropods generally have internal surfaces specialized for what?

asked Dec 27, 2024 in Science by LeonardTeakl (250 points)

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Particulates from cigarette smoke that enter what structures can cause a permanent reduction in lung capacity?

asked Dec 27, 2024 in Science by BridgettFait (590 points)

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What do many fungi secrete that break down complex molecules to smaller molecules that can be absorbed?

asked Dec 27, 2024 in Science by ChadwickSkz (360 points)

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What control reproductive cycles, which are in turn regulated by environmental cues?

asked Dec 27, 2024 in Science by LatanyaHux5 (530 points)

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When egg laying and mating occur together, as in external fertilization, the certainty of what is high?

asked Dec 27, 2024 in Science by StephanGowin (310 points)

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What celestial structure does not give off its own light?

asked Dec 27, 2024 in Science by PiperDelano3 (450 points)

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The medieval catapult has a heavy ballast on one end and what on the other end?

asked Dec 27, 2024 in Science by RozellaBranc (350 points)

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Which infection of multicellular eukaryotes is usually limited to particular tissues?

asked Dec 27, 2024 in Science by curious_george (1.0k points)

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Are ecotones wide or narrow?

asked Dec 27, 2024 in Science by PeteHalpern (290 points)

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In the stomach, which material's arrival triggers churning and the release of gastric juices?

asked Dec 27, 2024 in Science by HarrietBowke (390 points)

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What of most species are resistant cells that can survive harsh conditions?

asked Dec 27, 2024 in Science by CrystalAshe (560 points)

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After infecting a host, what inactive state do some viruses enter?

asked Dec 27, 2024 in Science by ThaliaEsmond (470 points)

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In genetics, what do you call characteristics that are passed from a parent to child?

asked Dec 27, 2024 in Science by MyraPardue91 (430 points)

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Toxic compounds in the environment have the most severe impact on animals that are top-level what?

asked Dec 27, 2024 in Science by NormandDubay (270 points)

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