KIN 223 Ch. 4 Test
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| A. Produces a two-dimensional image by passing visible light through a specimen stained with colored dyes B. Whiplike locomotory extension of the plasma membrane; enables a sperm cell to move C. Communicate to other cells that they belong to the body. Distinguish between healthy and nonhealthy cells D. Allows the passage of water, but prevents the movement of most solutes E. Fluid that surrounds the cell F. For cell to cell attachments. Proteins that form membrane junctions G. Method of a protein pump transporting a substance across the membrane against its concentration gradient H. Open passageways formed by proteins that extend through fused regions of the nuclear envelope I. A form of endocytosis by which cells ingest liquid. Cell drinking. J. A portion of DNA that lies between two exons; non coding regions in pre-messenger RNA. These are removed during pre-messenger RNA processing K. Investigation of very small objects by means of a microscope L. Programmed cell death M. Permit ion passage into or out of a cell in response to ligand bind. Required to initiate electrical changes to the RMP. N. A double membrane that enclosed the nucleus O. An extensive array of membrane bound structures that includes the ER, Golgi apparatus, vesicles, lysosomes, and peroxisomes P. Copying information from DNA to form an RNA molecule Q. A structure close to the nucleus that has a pair of perpendicularly oriented, cylindrical centrioles surrounded by a protein. Primary function is organizing microtubules within the cytoskeleton. R. Organelles enclosed by a membrane. Ex: ER, Golgi apparatus, lysosomes, peroxisomes, mitochondria S. Protein kinase enzymes that are activated indirectly through the G protein T. Filamentous coating on the apical surface of certain types of cells |
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