Ribbon worms (phylum Nemertea) primarily feed on sediment, as earthworms do
Indicate whether the statement is true or false
F
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Each epididymis is normally located ______________
Fill in the blank(s) with the appropriate word(s)
The molecules rhodopsin and retinal are involved in the sensory system that detects
A. sight. B. hot and cold. C. smell. D. hearing. E. balance.
After proton pumps in mitochondria have depleted electrons of their energy during ATP production,
a. the electrons carried as part of hydrogen atoms are used in the formation of water b. the electrons carried as part of hydrogen atoms are used in the formation of ethyl alcohol c. the electrons build up inside the mitochondria and diffuse back to a thylakoid d. none of the above
Site within Fc region
A. Fab B. Fc C. Hinge region D. Complement binding site E. Disulfide bonds