What is the hereditary material of the cell?
a. RNA
b. protein
c. DNA
d. lipid
c
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Each epididymis emerges from the bottom of a testis.
Answer the following statement true (T) or false (F)
Why do birds tend to show greater tolerance to high-altitude hypoxia than do mammals?
Using the bar-headed goose as an example, list three evolutionary adaptations that enable this species to successfully migrate at high altitudes, such as over the Himalayas at over 9000 m.
The scalenes have their origin on the
A) transverse and costal processes of cervical vertebrae. B) inferior border of the previous rib. C) superior border of the next rib. D) cartilages of the ribs. E) thoracodorsal fascia and iliac crest.
The zona orbicularis
A. encircles the femoral neck. B. encircles the head of the fibula. C. is found in the intercondylar fossa. D. is found on the patellar surface.