Describe the three major roles of structural proteins.
What will be an ideal response?
1. connect membrane to the cytoskeleton to maintain cell shape
2. create cell junctions that hold tissues together
3. attach cells to the extracellular matrix by linking cytoskeleton fibers to extracellular collagen and other protein fibers
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Sperm cannot fertilize an egg until they _________.
A) undergo capacitation. B) undergo decapitation. C) are in the vagina for 3 days. D) lose their acrosome. E) undergo activation.
A biomedical engineer is tasked with creating epithelial tissue to be placed in a test animal. This tissue requires mucus secretions to create a protective layer on top of the tissue. The engineer needs to place ________ in the tissue to accomplish this function.
Fill in the blank(s) with the appropriate word(s).
The human liver is composed of ________ lobe(s)
A) one B) two C) three D) four E) two large and four small
Which of the following are risk factors for cervical cancer? Select all that apply.
A. Smoking B. Frequent STD infections C. Use of spermicides D. Sexual activity at a young age