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HESI Biology Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
Osmosis is the diffusion of water across a semipermeable membrane.✔✔It occurs to balance solute concentrations.
Facilitated diffusion uses carrier proteins to move molecules down their concentration gradient.✔✔It does not require cellular energy.
Active transport moves molecules against their concentration gradient.✔✔It requires energy in the form of ATP.
Phagocytosis allows a cell to engulf solid particles.✔✔It is a type of endocytosis.
Pinocytosis allows a cell to take in extracellular fluid.✔✔It is a nonspecific type of endocytosis.
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The cell cycle consists of interphase and mitotic phase.✔✔Interphase includes G1, S, and G2 phases.
During mitosis, prophase is characterized by chromatin condensation.✔✔Spindle fibers begin to form.
During metaphase, chromosomes align at the cell’s equator.✔✔This ensures proper segregation.
During anaphase, sister chromatids separate.✔✔They move toward opposite poles of the cell.
During telophase, the nuclear envelope reforms.✔✔Chromosomes decondense into chromatin.
Cytokinesis is the division of the cytoplasm.✔✔It occurs after mitosis, producing two daughter cells.
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