FIGURE 4.8FIGURE4.7SEM*photo of a Paramecium.10 micrometers5 micrometersAn SEM photo at much higher magnification, showing mitochondria,many of which are sliced open.(M)FIGURE 4,9RibosomesRibosomes may be found free in the cytoplasm either singly orstrung along messenger RNA molecules as they participate in prtein synthesis. Ribosomes also stud the rough endoplasmic retidlum, giving it a rough appearance and allowing the synthesis ofproteins within the ER.0.05 micrometersFIGURE 4.10ribosomesrough endoplasmicreticulum0.5 micrometervesiclessmooth endoplasmic0.5 micrometereticulumEndoplasmic reticulumThere are two types of endoplasmic reticulum: rough ER, coated with ribosomes, and smooth ER, without ribosomes.Although in electron micrographs the ER looks like a series of tubes and sacs, it is actually a maze of folded sheets andinterlocking channels, In many cells the rough and smooth ER are thought to be continuous, as depicted in the drawing.Ribosomes (black) stud the cytoplasmic face of the rough ER membrane. B. Calculating true size from a scale bar. Indicate units for all measurements.Example: A scale bar that looks like this.2 umshould be described like this: 1 cm = .2 umMeasured lengthPage & Fig.Numberofscale bar and itsName of structuremeasuredMeasurementTrue Sizemeaning12 mm =.5umin photoCalculationsin umFig. 4.5page 8plastid(height)45721.875 MmX 0.5 umchoose2 fromthelistontheboard

Here, we have to calculate true size from a scale bar. Given, 0.2 um = 1 cm Therefore, 10 um = 1/0.2…

true SIze Ir TUR JOI ST should be described like this: 1 cm = .2 um Example: A scale bar that looks like this .2 um Measured length Page & Fig. Number of Name of structure measured scale bar and its meaning 12 mm =.5 um plastid Measurement True Size in um in photo Calculations Fig. 4.5 page 8 45 mm (height) 45 72 X 0.5 um 1.875 Mm choose was the list on the hoard

true SIze Ir TUR JOI ST should be described like this: 1 cm = .2 um Example: A scale bar that looks like this .2 um Measured length Page & Fig. Number of Name of structure measured scale bar and its meaning 12 mm =.5 um plastid Measurement True Size in um in photo Calculations Fig. 4.5 page 8 45 mm (height) 45 72 X 0.5 um 1.875 Mm choose was the list on the hoard

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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