During prophase, duplicated chromosomes
a. consist of chromatids.
b. contain centromeres.
c. consist of nucleoproteins.
d. contain all of the above.
c
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Saltatory ("jumping") conduction
a. occurs only in the central nervous system. b. is a quicker type of nerve conduction. c. occurs between nerves and muscles. d. involves the movement of impulses from node to node. e. involves both a quicker type of nerve conduction and the movement of impulses from node to node.
A mass extinction of large mammals occurred during the ________ epoch
Fill in the blank(s) with correct word
Identify the organisms that belong to the phylum that are included in the Deuterostomia.
A. tapeworms and mollusks B. sea stars and crocodiles C. octopuses and sea stars D. polychaetes and roundworms E. blood flukes and crustaceans
As cytokinins are primarily produced in roots, what route would they travel to influence lateral shoot formation in a recently topped tree?
A) symplastic B) trachieds/vessels C) phloem D) apoplastic