Bio156Quiz3-4 - 1 of 30 Light microscopes can generally...

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1 of 30 Light microscopes can generally magnify objects about 10,000 times without blurring. typically provide more resolution than an electron microscope. work by reflecting electrons off the surface of an object being studied. use light and glass lenses to magnify an image. All of the choices are correct. 2 of 30 A scanning electron microscope is used to study __________, whereas a transmission electron microscope is used to study __________. live cells . . . dead cells cell surfaces . . . internal cell structures dead cells . . . live cells internal cell structures . . . cell surfaces plant tissue . . . animal tissue 3 of 30 Which of the following statements is consistent with the Cell Theory? All cells originate spontaneously without prior parent cells. The cell is the basic structural and functional unity of life. Cells can only function when associated with other like cells. Many kinds of living things are not made of cells at all. Cells of living things all contain the same number and kind of interior organelles. 4 of 30 We can characterize the fluid mosaic model of a membrane as ____________ floating in a sea of ___________ lipids; protein proteins; lipid phospholipids; carbohydrate fats; water glucose; amino acids 5 of 30
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Large, round cells can overcome surface area to volume problems by becoming larger and rounder. increasing their size by at least twice. becoming smaller, narrower or flatter. increasing the amount of cytoplasm within the cell membrane. 6 of 30 As cell size increases, the volume and surface area decrease. volume increases faster than the surface area. surface area increases faster than the volume. surface area and volume increase at the same rate. None of the choices are correct. 7 of 30 Cells that lack a membrane-bound nucleus are __________ cells. plant
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Bio156Quiz3-4 - 1 of 30 Light microscopes can generally...

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