During differentiation, organs develop with different numbers of cells due to ____
a. cell adhesion molecules that are only present in some tissues
b. cell migration
c. cell determination
d. the variable length of mitotic interphase
e. microtubule rearrangement
ANSWER: d
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The study of the practical use of microbes in various industries and technologies is ________.
A. biotechnology B. bioremediation C. microbial ecology D. applied microbiology
A woman goes to the doctor and is diagnosed as having rheumatoid arthritis. What factors led to her development of this disease? Select all correct choices
A. Some of her T cells were not positively selected. B. Some of her T cells were not negatively selected. C. Some of her T cells are recognizing and responding to her normal self antigens. D. Some of her T cells are not recognizing and associating with her MHC proteins.
Bacteria and archaea use three main routes to catabolize glucose
What will be an ideal response?
The stage of the cell cycle during which the cytoplasm divides to form two cells is called:
A. G1 B. G2 C. S D. Mitosis E. Cytokinesis