Neural crest cells:
a. originated in the first chordates. c. migrate during development.
b. develop only into neurons. d. produce only beaks in birds.
C
Biology & Microbiology
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Which of the following organisms would you expect to have a Type II survivorship curve?
a. gorilla b. trout c. bald eagle d. California redwood
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Beta-lactam antibiotics such as penicillins, have an effect on which of the following types of cells?
A) animal cells B) bacterial cells C) fungal cells D) virus-infected cells E) both animal and fungal cells
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T cells, a part of our body's defense mechanism, are found in the ________ gland
Fill in the blank(s) with correct word
Biology & Microbiology
Which is not used as a chemical preservative in food?
A. Iodine B. Sulfite C. Salt D. Organic acids E. Ethylene oxide
Biology & Microbiology