Genetic engineering has produced which of the following animals?
A. Wild caught salmon
B. Pigs
C. Dolly the sheep
D. Cows resistant to mad cow disease
E. Grass-fed beef
Answer: D
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The two major divisions of the vertebrate nervous system are the ____
a. autonomic and peripheral systems b. sympathetic and parasympathetic systems c. cranial and spinal nerves d. central and peripheral nervous systems e. brain and spinal cord
Two nearby populations in which there is some movement of individuals between the populations are an example of:
A) gene flow. B) genetic drift. C) disruptive selection. D) bottleneck effect.
Blood vessels and nerves are found in which part of compact bone?
A) in central canals B) only on the outside surface C) only in the marrow cavity D) in osteoblasts
Macromolecules composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio are
A. Proteins B. Lipids C. Fatty Acids D. Nucleic Acids E. Carbohydrates