Describe some of the important functions of the vertebrate endoskeleton
What will be an ideal response?
The vertebrate endoskeleton allows locomotion (joints), provides a rigid framework that supports the body and provides protection, contains red bone marrow (important in the production of blood cells and platelets), and serves as a storage depot for calcium and phosphorous.
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The specific amino acid sequence of a protein is its ____.
A. primary structure B. secondary structure C. tertiary structure D. quaternary structure
The type of viral infection in which a virus enters a host cell and then remains dormant (hidden) in a host cell's chromosome is:
a. A rare form of viral infection b. A transgenic infection c. A lytic infection d. A systematic infection e. A lysogenic infection
In the population of 1,000 kangaroo rats shown above, what is the allele frequency of b?
a) 0.758 b) 0.379 c) 0.867 d) 0.762 e) 0.218
What characteristic of hagfishes differentiates them from lancelets and tunicates?
A) Gills B) Skull surrounding the brain C) Dorsal nerve cord D) Bony jaws E) Post-anal tail