Blood cell formation
What will be an ideal response?
Hematopoiesis occurs in red marrow cavities of certain bones.
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Atoms of a single element that possess different numbers of neutrons are called:
A. isomers. B. polymers. C. ions. D. isotopes. E. monomers.
How do T cells contribute to the immune response?
A. through the production of antibodies B. through cell-mediated immunity C. by activating the complement system D. by removing pathogens by phagocytosis
For eukaryotes, translation takes place in the
a. nucleus. b. nucleolus. c. cytoplasm. d. plasma membrane. e. nucleus and cytoplasm
Which of the following statements regarding Neisseria meningitidis is FALSE?
A. There are vaccines available to prevent infection with all strains. B. Up to 40% of the population are carriers. C. Humans are the only natural carriers. D. Transmission is via respiratory droplets. E. It often causes meningitis.