Which of the following statements about cancer defense is false?
a. Natural killer and cytotoxic T cells destroy cancer cells.
b. Cancer antigens stimulate a strong immune response.
c. Monoclonal antibodies can deliver toxic drugs to cancer cells.
d. T cells produce interleukins, which defend against cancer.
e. Macrophages produce tumor necrosis factor, which inhibits tumor growth.
B
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Testudines is the order that includes all of the shelled reptiles, such as turtles. The dorsal shell is called the carapace. What is the ventral shell of a turtle called?
a. plastron b. scutes c. belly shell d. gastroplatus
An ultimate cause of behavior is:
a. genetic processes. b. developmental processes. c. physiological processes. d. evolutionary pressures. e. immediate causes
serve as passageways between the cytoplasm and the nucleoplasm.
What will be an ideal response?
Type 1 diabetes is usually diagnosed early in life with the development of __________, a sentinel event that shows that the pancreas is no longer producing insulin.
A) Hypoglycemia B) Diabetic ketoacidosis (DKA) C) Hyperosmolar hyperglycemic nonketotic coma (HHNK) D) Type 2 diabetes