Malaria correct answers Plasmodium is famous for causing which disease?
Field of View correct answers the diameter of the circle of light that you see when looking into a microscope
40x correct answers total magnification used on the shortest objective
100x correct answers total magnificat...
Biology 1021 Lab Exam || with Complete Solutions.
Malaria correct answers Plasmodium is famous for causing which disease?
Field of View correct answers the diameter of the circle of light that you see when looking into a
microscope
40x correct answers total magnification used on the shortest objective
100x correct answers total magnification used on low power objective
400x correct answers total magnification used on high power objective
Voltage Control Dial correct answers What part of the microscope should increase the light
intensity?
Preparing a Wet Mount correct answers made by placing the material to be viewed in a drop of
fluid and covering it with a plastic cover slip to protect the lens from damage
Starch Granules correct answers the dark purple/black spheres that we saw while examining
banana tissue
Eyepiece correct answers located at the top of the microscope, contains the ocular lens (10x)
Revolving Nosepiece correct answers a rotating disk with objective lenses mounted on it. The
shortest magnification of 4X, the lower power objective 10X, and the higher power objective is
40X.
Mechanical Stage correct answers it can be moved left, right, up, and down by using the knobs
located below the front corner of the stage
Specimen Holder correct answers a metal clamp that holds a glass slide in place on the stage
Light Switch correct answers a toggle switch that turns the light on and off at the front of the
base. It should be turned off when not in use and before the microscope is returned to the cabinet.
Base correct answers supports the microscope
Voltage Control Dial correct answers located on the side of the base near the hand rest. It is
marked with numbers from 1 to 10. Illumination of the specimen is changed by rotating the dial.
Hand Rest correct answers the flat area on each side of the base below the adjustment knobs
, Fine Adjustment Knob correct answers the smaller knob located in the center of the coarse
adjustment knob. It can be operated from either side of the microscope. It should be used to
sharpen the focus after you have located your specimen.
Coarse Adjustment Knob correct answers the large knob located on the side of the arm. It can be
operated from either side of the microscope. It moves the stage up and down in large increments
and should be used to locate a specimen first.
Arm correct answers when carrying the microscope one hand should grasp the arm and one hand
should be placed beneath the base
Nucleoid Region correct answers The DNA in prokaryotes is organized in a ______.
Membrane Bound Nucleus correct answers Eukaryotes house their DNA in _____.
Peptidoglycan correct answers a polymer, consisting of sugars and amino acids, forms a mesh-
like layer outside the cell membrane of bacteria
Gram-positive correct answers bacteria are able to retain the crystal violet stain. This is due to
the high amount of peptidoglycan in their cell walls.
Gram-negative correct answers bacteria are not able to retain the crystal violet stain. Instead,
these bacteria have a red or pink color their cell walls.
Gloeocapsa correct answers its cells are surrounded by a gelatinous sheath
Heterocysts correct answers special cells in anabaena that fix atmospheric nitrogen
Cilia correct answers Paramecium move by means of hair-like extensions called ____.
Flagella correct answers Euglena move by means of whip-like extensions called ____.
Malaria correct answers Plasmodium is famous for causing which disease?
Flagella correct answers Chlamydomonas is unique for having a pair of ____.
Volvox correct answers a large, motile, colonial form composed of several hundred cells. Each
colony is a hollow sphere, usually with daughter colonies inside. (instructor's favorite protist)
Nucleus correct answers Closterium is a unique protist because its two semi-cells share a
common _____ found in the center of the body. +
Agar correct answers In order to culture bacteria and fungi in petri dishes, microbiologists use a
gelatinous substance derived from seaweed extract. What is this gel-forming base called?
By the wind correct answers How are fungal spores dispersed?
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