________ convey information within the nervous system
Fill in the blank(s) with the appropriate word(s)
Ans: Neurons
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What is the role of the apical complex in apicomplexans?
A. The apical complex is a defensive structure that is used to destroy bacteria. B. The apical complex enables the apicomplexan to penetrate and bore into a host cell. C. The apical complex is a motility structure that enables cell movement. D. The apical complex is a feeding structure through which small food particles are taken in.
The gene that encodes small-subunit ribosomal RNA is useful for reconstructing the phylogeny of all organisms, because ________
A) the gene is subject to strong stabilizing selection B) the gene's function has stayed unchanged in all organisms C) all organisms have ribosomes with similar composition and structure D) all organisms have the gene E) All of the above.
Imagine that there are twenty-five different species of protists living in a tide pool. Some of these species reproduce both sexually and asexually, and some of them can reproduce only asexually
The pool gradually becomes infested with disease-causing viruses and bacteria. Which species are more likely to thrive in the changing environment? A) the sexually reproducing species B) the asexually reproducing species C) Sexually and asexually reproducing species are equally likely to thrive.
Nausea is an example of a (sign/symptom/syndrome) of disease.
Fill in the blank(s) with the appropriate word(s).