The point in late G1 of the cell cycle at which mammalian cells become committed

Question

The point in late G1 of the cell cycle at which mammalian cells become committed to entering the S phase and completing the cycle even in the absence of growth factors, (two words) Small, membrane-covered projection on the surface of an animal cell containing a core of actin filaments. Many found on the absorptive surface of intestinal epithelial cells, increasing the surface area for transport of nutrients. Member of an important class of cell-surface receptors whose cytosolic domain has tyrosine-specific protein kinase activity. Ligand binding activates this kinase activity and initiates intracellular signaling pathways, (three words) Referring to a cell that has exited the cell cycle and is in the GO state. An extracellular polypeptide molecule that binds to a cell-surface receptor triggering an intracellular signaling pathway leading to proliferation, differentiation, or other cellular response, (two words) general growth factor associated with differentiation of skin cells (three words) Kinase enzymes pass on the message in cascade systems by_____ Membrane-bound enzyme that catalyzes formation of cyclic AMP (cAMP) from ATP 24. Type of cell that commonly gives rise to transit amplifications in tissue formation (two words) Member of an important class of cell-surface receptors whose cytosolic domain has tyrosine-specific protein kinase activity. Ligand binding activates this kinase activity and initiates intracellular signaling pathways, (three words) Any of several points in the eukaryotic cell cycle at which progression of a cell to the next stage can be halted until conditions are suitable.

Explanation / Answer

3. Restriction point.

5. Microvillus.

10. Receptor tyrosine kinase.

12. Quiescent.

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