problema 1pumiliWhich of the following is NOT a property of life?Cellular OrganizationOrderSpontaneous GenerationSensitivity
problema 3pumiliWhich of the following kingdoms does NOT belong to the five kingdoms of life?BacteriaFungiPlantsViruses
problema 4pumiliWhat theory explains how species evolve and adapt over time?Cell TheoryEvolutionary TheoryNatural SelectionSpontaneous Generation
problema 5pumiliWhich structure forms the primary level of organization in multicellular organisms?MoleculesTissuesCellsOrgans
problema 6pumiliWhat is the key difference between prokaryotic and eukaryotic cells?Prokaryotes have a nucleusEukaryotes lack ribosomesProkaryotes have circular DNAEukaryotes reproduce asexually
problema 7pumiliWhich structure is responsible for moving chromosomes during mitosis?CentromereKinetochoreSpindle fibersCentrioles
problema 8pumiliHow many chromatids are present in a human cell during metaphase of mitosis?239246184
problema 9pumiliWhich of the following events occurs in both meiosis and mitosis?Crossing over of homologous chromosomesPairing of homologous chromosomesSeparation of sister chromatidsReduction of chromosome number
problema 10pumiliWhich phase of mitosis is characterized by the reformation of the nuclear membrane?ProphaseMetaphaseAnaphaseTelophase
problema 11pumiliWhat role does oxygen play in the electron transport chain (ETC)?Donates electrons to ATP synthaseActs as the final electron acceptorSupplies energy for proton pumpingBreaks down glucose to generate NADH