Name the two main clades of Rhizaria, then list one way of distinguishing one of those clades from the
other. What will be an ideal response?
The two main clades of Rhizaria and the foraminiferans (forams) and the actinopods. Forams have
cytoplasmic projections that form a threadlike, interconnected net. In actinopods, the cytoplasmic
projections are long and filamentous.
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At the end of meiosis I, the resulting two cells are
a. identical in all ways. b. genetically identical. c. genetically different. d. hexaploid. e. prepared to enter interphase so the chromosomes can be replicated.
Erythropoietin is secreted by the kidneys in response to an increase in blood oxygen levels.
a. true b. false
Which of the following are among the major components of prokaryotic ribosomes?
A) lipids and carbohydrates B) 16S rRNA, 5S rRNA, and 23S rRNA C) 16S rRNA, 5.8S rRNA, and 28S rRNA D) 18S rRNA, 5.8S rRNA, and proteins E) 12S rRNA, 5.8S rRNA, and proteins
Cells are composed of chemicals and both the structure and function of cells are regulated by the basic principles of chemistry
Indicate whether the statement is true or false.