Dogs (Canis lupus familiaris) and gray wolves (Canis lupus) can interbreed to produce viable, fertile offspring
These species shared a common ancestor recently (in geologic time) and have a high degree of genetic similarity, although their anatomies vary widely. Judging from this evidence, which two species concepts are most likely to place dogs and wolves together into a single species? A) ecological and morphological
B) ecological and phylogenetic
C) biological and morphological
D) biological and phylogenetic
D
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Which of the following amino acids is not one of the 20 common amino acids found in cells?
A) leucine B) isoleucine C) glutamine D) proline E) pyrrolysine
Which of the following pathways for complement activation is generally dependent upon the formation of antigen-antibody complexes?
A. Classical pathway B. Lectin complement pathway C. Alternative pathway D. All of the choices are correct.
The ____secretes bile
a. liver b. gallbladder c. pancreas d. small intestine e. stomach
Rubisco has 16 subunits joined together to make a functional unit. Eight of the subunits are large, the
other 8 are small. Where on this enzyme are the active sites located?
a. on each of the 8 large subunits b. on each of the 8 small subunits c. on one of the 8 large subunits d. on one of the 8 small subunits e. on each of the 16 subunits