Which of the following bones is not part of the pectoral girdle and attached limbs?
A. clavicle
B. sternum
C. humerus
D. ulna
E. scapula
Answer: B
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Growth hormones given to dairy cows would still be necessary to stimulate milk production in a cloned animal
a. True b. False Indicate whether the statement is true or false
____ is produced by the ____, which influences biological rhythms and the onset of sleep
a. Cortisol; pineal gland b. Melatonin; pituitary gland c. Parathyroid hormone; parathyroid gland d. Melatonin; pineal gland e. Aldosterone; adrenal gland
Which of the following is NOT a feature that is
found exclusively among all vertebrates? a. notochord b. pharyngeal gill slits c. four legs d. post-anal tail e. dorsal nerve cord
Disadvantages of continuous cell cultures include
A) they only grow for a limited number of generations. B) the expense of preparation. C) they may be significantly different genetically from the original source animal. D) viruses do not reliably infect them. E) they are both expense and have a limited number of division.