Ependymal cells are a type of macrophage
____________________ Indicate whether the statement is true or false.
False - Microglia
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Reduced levels of hemoglobin in the blood result in the condition of
A. anemia. B. polycythemia. C. thrombosis. D. hematoma. E. lupus erythromatosus.
In the life cycle of bryophytes and seedless vascular plants, meiosis takes place in the
a. gametophyte. b. sporangium. c. archegonium. d. zygote. e. antheridium.
Where does the process of translation of nuclear protein-coding genes in eukaryotic cells occur?
a. in the nucleolus b. in the nucleus c. in the Golgi apparatus d. in the cytoplasm
Benign Vibrio cholerae becomes pathogenic by all of the following steps except
A. the cholera toxin gene is incorporated into the benign Vibrio cholerae chromosome. B. a bacteriophage introduces a gene coding for the cholera toxin. C. the cholera toxin gene is translated. D. the benign host is transformed into a disease-causing agent by the toxin. E. a bacteriophage binds only to benign Vibrio cholerae without pili.