Nearly everyone appears to be infected with polyomaviruses BK and JC by the age of 15.
Answer the following statement true (T) or false (F)
True
Biology & Microbiology
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The last shared ancestor for today's cell types is thought to have arisen about _____ years ago.
A. 5 million B. 2 million C. 3 billion D. 4 billion E. 6 billion
Biology & Microbiology
Most of the water vapor in the earth's
atmosphere comes from evaporation from a. lakes. b. rivers. c. land. d. oceans. e. plants.
Biology & Microbiology
Nematodes
A. have a pseudocoelom. B. are bilaterally symmetrical. C. have a mouth and an anus. D. All of the above are correct.
Biology & Microbiology
Which cells are connected to companion cells via plasmodesmata?
a. guard cells b. trichomes c. sieve tube members d. tracheids
Biology & Microbiology