Which of the following pairs is incorrectly matched?
A. macrophage; class II MHC protein
B. B cell; class I MHC protein
C. B cell; IL-2 secretion
D. helper T cell; CD4
E. cytotoxic T cell; class I MHC protein
C. B cell; IL-2 secretion
You might also like to view...
The letter "A" in the accompanying figure represents ____
a. sclerenchyma fibers b. parenchyma c. xylem d. epidermis e. phloem
The center for balance and coordination is the
a. cerebrum. b. pons. c. cerebellum. d. thalamus. e. hypothalamus.
The double helix model of DNA suggested by Watson and Crick was exciting to the scientific community because:
a. it opened the door to new PCR based technologies. b. it explained how genetic material could be duplicated by means of the complementary strands. c. it suggested the role of DNA in protein synthesis. d. it proved once and for all that DNA was the messenger of heritable traits. e. All of the above are correct.
The body opening that serves solely as the exit for wastes from a complete digestive tract is known as the ___________________.
A. anus B. cloaca C. rectum D. digestive tract E. digestive cavity