Plankton are floating communities of helminths.
Answer the following statement true (T) or false (F)
False
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During this stage of mitosis, the chromosomes become attached to the spindle at their kinetochores.
A. Prophase B. Prometaphase C. Metaphase D. Anaphase E. Telophase
An action potential is propagated down an unmyelinated neuronal plasma membrane because it stimulates voltagegated
____ channels adjacent to it. (Choose the most accurate answer.)
a. Na+ b. Ca2+ c. K+ d. Na+ and Ca2+ e. K+ and Ca2+
Phenotypes that show a wide range of almost continuous variation, such as height or skin color in humans, are probably:
A) due to both alleles of one gene working together. B) acquired characteristics. C) dominant. D) due to several sets of alleles working together.
The phylum Planctomycetes contains a number of species that have compartments including ALL of the following EXCEPT
a. a magnetosome. b. a pirellulosome. c. a nucleoid with a nuclear envelope. d. an anammoxosome.