The life-supporting environments of Earth constitute the _______.
A. environment
B. ecosystem
C. community
D. biosphere
D. biosphere
Biology & Microbiology
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The liver is associated with all EXCEPT which of
the following functions? a. formation of urea b. formation of bile c. detoxification of poisons d. secretion of bicarbonate ions e. hormone inactivation
Biology & Microbiology
Avocado sunblotch is caused by a
A) bacterium. B) prion. C) virus. D) viroid. E) fungus.
Biology & Microbiology
The motile feeding stage of protozoa is called the
A. food vacuole. B. trophozoite. C. oocyst. D. cyst. E. sporozoite.
Biology & Microbiology
What are the differences between DNA replication on the leading and lagging strands and why do they exist?
What will be an ideal response?
Biology & Microbiology