Among the protist groups below, which has organisms that typically move with one or more flagella?
a. amoebozoa
b. diplomonads
c. apicomplexans
d. foraminifera
e. actinopods
B
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The laboratory receives a blood soaked gauze pad with some tissue wrapped in it for culture in a sterile container. The proper disposal of the material will include:
a. placement in the appropriate biohazard container. b. placement in the garbage as long as it is enclosed in the sterile container. c. treatment with a disinfectant prior to dis-posal in the biohazard container. d. placement in the appropriate biohazard container and sterilization for contamina-tion with organic material.
The most common defect in color vision, termed red-green color blindness, results from a faulty opsin gene.
Answer the following statement true (T) or false (F)
Which of the following is true of zinc?
a. It binds to most proteins in the body. b. Grains are the most reliable food sources of zinc. c. Excess zinc can decrease copper absorption. d. All of its functions involve it acting as a co-factor for enzymes.
How is contrast in microscopy most commonly achieved?
A. Increasing the resolution or resolving power B. Changing objectives for various specimens C. Staining techniques D. Adding a blue filter to the light path