Transmembrane proteins that span the membrane are
a. peripheral membrane proteins.
b. covalently linked to membrane lipids.
c. integral membrane proteins.
d. ion transporters.
Ans: c. integral membrane proteins.
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a. interacting with a target cell's DNA. b. activating mitochondria in target cells. c. acting on ribosomes for protein synthesis. d. stimulating mitosis. e. helping glucose into the target cell.
Limulus polyphemus are the source of ________
A) calcitonin used to treat osteoporosis B) growth hormone used to treat dwarfism C) hydroxyapatite used to treat arthritis D) cells for the LAL test used to detect bacterial contamination of surgical tools E) Prialt, a peptide used as a pain reliever
Patients with Creutzfeldt-Jacob disease live ________ post diagnosis.
A. 10 to 20 years B. greater than 25 years C. 5 to 10 years D. less than 1 year E. 1 to 5 years
A woman who has a history of ovarian cancer in her family goes to her physician for a "cancer test.' What is the test that is most likely to be positive if the woman has ovarian cancer?
A. Carcinoembryonic antigen B. Alpha-fetoprotein C. Cancer antigen 125 D. Human chorionic gonadotropin