with ice-cold Sorenson’s buffer (2 mM Na 2 HPO 4, 14.6 mM KH 2 PO 4, pH 6.0), and then lysed with 1 ml of buffer containing 50 mM Na 2 HPO 4 pH 9.3 and 0.2% Triton-X. Lysates were placed in black 96-well plates and fluorescence was measured with a Molecular Devices SpectraMax M2 Multi-Mode Microplate Reader (excitation 470, emission 515). For ...
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This activity allows students to compare the sizes of various microorganisms, relative to an object with a standard size (0.5 mm) that is visible without magnification. Students will compare microbes listed on the Microbe Scaling Chart, which range from an amoeba—measuring 300 micrometers (equivalent to 0.3 millimeters) in diameter or larger ...
Sizes Thickness; DRS 603 A: 6 X 4 ft. 10 mm: DRS 603 B: 6 X 4 ft. 12 mm: DRS 603 F: 6 X 4 ft. 15 mm: DRS 603 C: 6 X 4 ft. 17 mm
Amoeba (plural = amoebae) is a well known genus of unicellular organism, a protist. One of its most common species, the Amoeba Proteus, is about 0.2 to 0.3 mm large. The amoeba was first discovered by August Von Rosenhof in 1757. It is a genus of protozoa that moves with false feet, called pseudopodia.
The following are the average sizes of some specific common viruses (note: 1 nanometer is equal to 0.001 micrometers; the head of a pin is about 1,000 micrometers in diameter): Virus Size (in nanometers)
Answer (a)The magnified cell would have a diameter of 50 104mm 500 103mm 500 mm, or 20 inches—about the diameter of a large pizza. (b)The radius of a globular actin molecule is 3.6 nm/2 1.8 nm; the volume of the molecule, in cubic meters, is (4/3)(3.14)(1.8 109m)32.4 1026m3.
Size : 75mm X 25mm Thickness : 1.45mm, 1.35mm, 1.25mm, 1.10mm, 1.00mm Special Size : 75mm X 50mm Thickness : 1.35mm