Metanephridial organs are common in:
a. mollusks.
b. flatworms.
c. cnidarians.
d. sponges.
e. insects.
A
Biology & Microbiology
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The metabolic feature that defines Thaumarchaeota is ________ ________.
What will be an ideal response?
Biology & Microbiology
If solution of A is hypotonic to B, then the direction of net movement of water is B to A
__________________ Indicate whether the statement is true or false.
Biology & Microbiology
Parts of the enzyme molecule that interact with a substrate are called:a
cofactors. b. active sites. c. induced-fit models. d. orientation sites. e. reaction sites.
Biology & Microbiology
The Earth's surface releases ________ that is absorbed by the atmosphere, stabilizing or raising atmospheric temperature.
A. gamma radiation B. near-ultraviolet radiation C. ultraviolet radiation D. long-wave infrared radiation E. x-rays
Biology & Microbiology