Furthermore, an impact ________has been found near the Caribbean and Gulf of Mexico.
What will be an ideal response?
crater
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At what week of development does the offspring begin to be called a fetus?
a. Week 16 b. Week 8 c. Week 2 d. Week 4 e. Week 32
Which of the following characteristics is not associated with metastasis?
A. The internal cytoskeleton is disorganized. B. The cancer cells lack intact actin filament bundles. C. Cancer cells produce proteinase enzymes. D. Invasive cancer cells are abnormally shaped. E. The low oxygen content in the middle of a tumor may turn on genes for angiogenesis.
Plants store large amounts of carbohydrates in the form of ____
a. glycogen b. starch c. glucose d. sucrose e. lipids
The complement system performs which of the following functions?
A) Facilitating and enhancing phagocytosis B) Bridging innate and adaptive immune responses C) Disposing of immune waste products D) All of the above