A cell is dividing by binary fission. What can you conclude?

a. Mitosis has taken place without cytokinesis.
b. Homologous chromosomes have already paired.
c. The cyclin-Cdk complex is no longer phosphorylating enzymes.
d. The cell cycle is out of control.
e. The cell is prokaryotic.


e

Biology & Microbiology

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Steroid hormones are synthesized from _____

a. amines c. proteins b. peptides d. cholesterol

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The major difference between protostome animals and deuterostome animals is _______.

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Which cells aid in the operation of the nervous system but are unable to conduct nerve impulses?

A. goblet cells B. neuroglia C. intercalated disks D. neurons

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