Which one of the following terms applies to the phylum Bryozoa?
A. Radial cleavage
B. Parazoa
C. Radial symmetry
D. Lophophore
E. Deuterostome
Answer: D
Biology & Microbiology
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Species diversity is generally greatest at the Earth's poles
A. true B. false
Biology & Microbiology
Once activated, cAMP is quickly degraded to AMP by ____ which results in switching off the signal
pathway.
a. adenylyl cyclase b. diacylglycerol (DAG) c. phospholipase C d. acetylcholinesterase e. phosphodiesterase
Biology & Microbiology
In an organism with 16 chromosomes per cell, how many DNA molecules are present in a cell undergoing anaphase of mitosis?
A) 8 B) 16 C) 24 D) 32 E) 64
Biology & Microbiology
During DNA replication, the enzyme called DNA ______ joins the newly synthesized DNA segments.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology