What structure of the spinal cord carries motor impulses from the brain?
A. dorsal horn
B. dorsal root
C. dorsal root ganglion
D. ventral root
Answer: D
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Mutated versions of one or both of the genes BRCA1 and BRCA2 are associated with an increased risk of ________
a. breast cancer only b. lung cancer and pancreatic cancer c. both breast cancer and ovarian cancer d. lymphoma only
Ecologists use a variety of useful sampling and statistical techniques for delineating and classifying communities
Indicate whether the statement is true or false
In the section "Investigating Life: Birds Do, Bees Do It", what can be concluded about the flower preferences of bumblebees?
A. They prefer pink flowers. B. They prefer red flowers. C. They prefer yellow-orange flowers. D. They prefer M. lewisii no matter what color the flowers are. E. They prefer M. cardinalis no matter what color the flowers are.
The organs that eliminate waste from the body do not include ________
A) skin B) heart C) kidneys D) lungs