When reporting a direct smear from a primary specimen, it is important to note all of the following except:
a. white blood cells.
b. squamous epithelial cells.
c. artifacts.
d. prominent cell shapes and arrangements.
C
All of the above items are considered reportable except artifacts. However, it is important that the skilled microbiologist be able to clearly differentiate cellular structures from staining or other artifacts present in the specimen that could be falsely recognized as pathogenic organisms.
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All of the following are tenets of the cell
theory EXCEPT that a. all organisms consist of one or more cells. b. the cell is the smallest unit that retains the characteristics of life. c. since the first cell, each new cell is descended from previous cells. d. each cell is composed of products that it manufactures. e. cells may arise spontaneously under certain laboratory conditions
What fraction of the time will the cross of Aa Bb Cc with Aa Bb Cc produce an offspring of genotype
aa bb cc? a. 1/64 b. 1/32 c. 3/64 d. 1/16 e. 9/64
When we say that an individual organism has a greater fitness than another individual, we specifically mean that the organism
A) lives longer than others of its species. B) competes for resources more successfully than others of its species. C) mates more frequently than others of its species. D) utilizes resources more efficiently than other species occupying similar niches. E) leaves more viable offspring than others of its species.
Which of the following factors could be important in determining a species' fundamental niche? (Check all that apply.)A) SalinityB) Presence of a commensalistC) Soil typeD) Presence of a predator/parasiteE) Seasonal temperatures
What will be an ideal response?