An X-linked gene is
A. a gene that encodes traits seen only in females.
B. a gene on the X chromosome.
C. a gene found on any chromosome; they are X-shaped when they are metaphase chromosomes.
D. a gene that is turned on (makes protein) only when the female hormone estrogen is present.
E. a gene on the X chromosome that encodes traits seen only in females.
B. a gene on the X chromosome.
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The adhesion step in extravasation is most likely to be mediated by:
A. integrin proteins. B. cell wall proteins. C. collagen. D. keratin.
Which of the following is not used to culture viruses?
A. Growth in embryonated hen's eggs B. Growth in whole animals C. Growth on artificial media D. Growth in cell cultures
The minimum level of organization where a
“division of labor” is seen is the __________ level. a. cellular b. organ c. tissue d. organ system e. body
Cellular structures that function in movement and consist of numerous short hairlike extensions from the cell are called ________
Fill in the blank(s) with correct word