The exchange surfaces of fish gills are arranged as rows of
A. lamellae.
B. parabronchi.
C. trachea.
D. spiracles.
E. alveoli.
Answer: A
You might also like to view...
What are the two main features of prokaryotic binary fission?
What will be an ideal response?
Natural selection __________.
A. relies on variation among individuals in a population B. is independent of time or place C. and evolution cannot be directly observed D. is more of a creative process than an editing process
Cells of the pancreas will incorporate radioactively labeled amino acids into proteins. This "tagging" of newly synthesized proteins enables a researcher to track their location. In this case, we are tracking an enzyme secreted by pancreatic cells. What is its most likely pathway?
a) ER -> lysosomes -> vesicles that fuse with plasma membrane b) Golgi -> ER -> lysosomes c) ER -> Golgi -> vesicles that fuse with plasma membrane d) ER -> Golgi -> nucleus e) nucleus -> ER -> Golgi
What characteristic(s) separate(s) greater apes from lesser apes
What will be an ideal response?