Chlorophyll a molecules absorb ____ light
a. orange, green and yellow
b. orange, purple and red
c. red and yellow
d. orange and blue
e. purple, orange, and yellow
B
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If the woman does not become pregnant the _____ will not produce progestrone and it will break down.
Fill in the blank(s) with the appropriate word(s).
What are the small circles of DNA that exist within the bacterial cytoplasm in addition to the bacterial chromosome?
a. pili b. capsids c. plasmids d. chromatids e. centromeres
Taxonomists tend to use the ____ to characterize species for classification
a. morphological species concept b. biological species concept c. evolutionary species concept d. ecological species principle e. genetic species principle
Parasitic worms, even meters-long tapeworms, are studied in microbiology because
A. they are parasites. B. diagnosis usually involves microscopic examination of patient samples. C. the Gram stain can be used to identify them. D. Leeuwenhoek first discovered them. E. no one else wants to study them.