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

Biology & Microbiology

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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

Biology & Microbiology

An ultimate cause of behavior is:

a. genetic processes. b. developmental processes. c. physiological processes. d. evolutionary pressures. e. immediate causes

Biology & Microbiology

serve as passageways between the cytoplasm and the nucleoplasm.

What will be an ideal response?

Biology & Microbiology

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

Biology & Microbiology