Which statement(s) regarding stem cells is/are correct?
a. they are undifferentiated embryonic cells.
b. they may reproduce many times.
c. their daughter cells may differentiate into a number of different specialized cell types.
d. all of these answers.
e. none of these answers.
D
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Floaters are bowel movements that float due to a fatty diet.
Answer the following statement true (T) or false (F)
The chemical groups that binds to DNA causing genomic imprinting are
A. transcription factors. B. amino acids. C. RNA molecules. D. methyl groups.
Not counting sesamoid bones, what is the total number of tarsals, metatarsals, and phalanges in a single ankle and foot?
A. 24 B. 26 C. 27 D. 30 E. 32
Elastic cartilage and a stratified squamous epithelium are found in which respiratory structure?
a. Bronchiole b. Bronchus c. Epiglottis d. Nasal concha e. Trachea