Seawater typically has an osmolarity of
a. ~5 mOsm/L.
b. ~225 mOsm/L.
c. ~300 mOsm/L.
d. ~1000 mOsm/L.
e. ~1500 mOsm/L.
D
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The characteristic function and properties of each class of antibody is determined by the
A. variable region on the light chain. B. epitope. C. constant region on the light chain. D. constant region on the heavy chain. E. variable region on the heavy chain.
The endomembrane system is involved in each of the following functions EXCEPT ____
a. DNA synthesis b. synthesis of proteins c. synthesis of lipids d. transport of proteins to outside the cell e. detoxification of some toxins
As an adult human ages, the blood vessels lose their elasticity, and blood pressure drops as dilation occurs
Indicate whether the statement is true or false
Woese developed the three-domain system based on differences in organisms'
A. cell morphologies. B. rRNA sequences. C. Gram stain reactions. D. habitats.