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When lactose is absent, a repressor protein binds to what?

asked Jan 8 in Science by ForestR76492 (390 points)

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What thin whip-like structures help prokaryotes move toward food or away from toxins?

asked Jan 8 in Science by ZVWShalanda (370 points)

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Which orbitals do electrons fill first?

asked Jan 8 in Science by MickiReymond (390 points)

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Why are exotic species also called invasive species?

asked Jan 8 in Science by JaredHerzog0 (510 points)

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Which type of ferns have yellow sporangia and no leaves?

asked Jan 8 in Science by RomanCrh3176 (410 points)

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Which ocean zone is the narrow strip along a coastline that is covered by water at high tide and exposed to air at low tide?

asked Jan 8 in Science by ClarissaWest (590 points)

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Which system is capable of responding quickly to changing situations?

asked Jan 8 in Science by VadaStovall (1.3k points)

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Which has more electrons, neon or fluorine?

asked Jan 8 in Science by Raphael64O24 (470 points)

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Where does most water evaporate from?

asked Jan 8 in Science by Minnie32S892 (270 points)

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X rays and what other type of electromagnetic wave has the shortest wavelengths and the highest frequencies?

asked Jan 8 in Science by CaryLangford (490 points)

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Which gender typically experiences growth spurts first?

asked Jan 8 in Science by ShaynaHyatt3 (510 points)

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Who first discovered the moons of jupiter in 1610?

asked Jan 8 in Science by Ira903645143 (370 points)

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Which common element is the most found in living organisms?

asked Jan 8 in Science by EarleFrye28 (630 points)

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Which organ of our body is harmed if you get meningitis?

asked Jan 8 in Science by KarriFoxall (550 points)

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What type of pressure is the pressure exerted by gas particles in earth’s atmosphere as those particles collide with objects?

asked Jan 8 in Science by JanaNye81690 (370 points)

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What type of hybridization does ammonia undergo?

asked Jan 8 in Science by KamHaritos31 (90 points)

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What sciences are the study of living organisms?

asked Jan 7 in Science by BlakeSalaam (530 points)

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Which form of digestion is a purely physical process that does not change the chemical nature of the food?

asked Jan 8 in Science by RXQRich69430 (310 points)

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What term means the time in which half of the original number of radioactive nuclei in a sample decay?

asked Jan 8 in Science by IAEAndre2344 (630 points)

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Where is glucose carried in the human body?

asked Jan 8 in Science by AurelioSting (350 points)

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