Inflammation, complement proteins, and phagocytes are a part of ____ immunity
a. adaptive
b. innate
c. antibody-mediated
d. cell-mediated
e. surface barrier
ANSWER: b
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A transcription factor that reduces gene expression is called a(n):
A. repressor. B. reducer. C. operator. D. activator.
Which statement is true of Planaria?
a. They have a well-developed circulatory system. b. They have a mouth located in their anterior end. c. They expel wastes via the action of ciliated flame cells. d. They contain a primitive, ladder-like skeletal system.
A student copied and pasted a paragraph from a website on Internet into his lab report, and then cited author and website title of the material in the references. Should it be considered plagiarism and a case of academic dishonesty? Why?
A. Yes, because he used material from the internet B. Yes, because he did not paraphrase the material C. No, because he cited the source in the references D. No, because he did not use material from a book
In what way are nerve cells and muscle cells that attach to the skeleton similar?
a) both have the same function in the body b) both are unspecialized c) both are organized into tissues in complex animals d) both represent the highest level of complexity in complex animals