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- Match the followingColumn I Column II(a) Cristae (i) Flat membranous sacs in stroma(b) Cisternae (ii) Infoldings in mitochondria(c) Thylakoids (iii) Disc-shaped sacs in Golgi apparatus-Mature parent cell Budding- cell 1 μη Test II. Examine the micrograph of the yeast cells. The scale bar under the photo is labeled 1 um. The scale bar works in the same way as a scale on a map, where, for example, 1 inch equals 1 mile. In this case the bar represents one thousandth of a millimeter. Using the scale bar as a basic unit, determine the diameter of the mature parent cell and the new cell. Start by measuring the scale bar and the diameter of each cell. The units you use are irrelevant, but working in millimeters is convenient. Divide each diameter by the length of the scale bar and then multiply by the scale bar's length value to give you the diameter in micrometers.During a microscopy exercise in the anatomy laboratory,a student makes the following observations about a tissuesection: (1) The section contains some different types ofscattered protein fibers—that is, they exhibit differentwidths, some are branched, some are long and unbranched,and their staining characteristics differ (some are seenonly with specific stains). (2) Several cell types withdifferent morphologies are scattered throughout the section,but these cells are not grouped tightly together. (3) Theexamined section has some “open spaces”—that is, placesbetween cells and the observed fibers in the section thatappear clear with no recognizable features. What type oftissue is the student observing? Where might this tissue befound in the body?
- Describe the structural characteristics of cells that are highly specialized todo the following: (a) synthesize and secrete proteins, (b) actively transportsubstances into the cell, (c) synthesize lipids, and (d) phagocytize foreignsubstances.Name the cytoskeletal element (actin microfilaments, intermediate filaments, or microtubules) for each of the following.(a) give the cell its shape(b) resist tension placed on a cell(c) radiate from the centrosome(d) interact with myosin to produce contraction force(e) are the most stable(f) associated with kinesins and dyneins(g) associated with the motor protein myosinCELL ENVRONNT 02MNac OGMNIC Ass hOReer anove in pem ndwdol betpemeatsta Wh of the kwg mothe ce ansethe ce (deecion
- The figure below shows a living cell from the lung epithelium of a newt at different stages in M phase. Identify the stage in M phase that each panel in the figure represents. (A) (B) (C) (D) (E) (F)Identify the false statement about lysosomes. (a) They have the same structure and function as peroxisomes. (b) They form by budding off the Golgi apparatus. (c) Lysosomal enzymes do not occur freely in the cytosol in healthy cells. (d) They are abundant in phagocytic cells.Different organelles are abundant in different cell types. Match the cell types with their abundant organelles by placing the correct letter from column B into each blank in column A. Follow the hints provided in parentheses.Column A Column B(1) cell in the adrenal gland that makes steroid hormones (a) mitochondria(2) white blood cell (phagocytic) (b) smooth ER(3) liver cell (detoxifies poisons) (c) peroxisomes(4) muscle cell (highly contractile) (d) microfilaments(5) mucous cell (secretes protein product) (e) rough ER(6) epithelial cell in the outer layer of skin (withstands tension)…
