What secretes cytokines that enhance the activity of B cells, cytotoxic T cells, suppressor T cells, and helper T cells?
A) macrophages
B) suppressor T cells
C) helper T cells
D) B cells
E) cytotoxic T cells
Answer: C) helper T cells
Biology & Microbiology
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Vaccinations involve exposure to an antigen to elicit __________.
What will be an ideal response?
Biology & Microbiology
Although they are two different types of connective tissue, cartilage and bone have what feature in common?
a. lacunae and Haversian canals b. canaliculi and Haversian canals c. lacunae and canaliculi d. lamellae only e. lacunae only
Biology & Microbiology
What is our null hypothesis for genotype ratios? Yes, that's correct!
a. 9:3:3:1 b. 1:1:1:1 c. 3:1 d. 9:7
Biology & Microbiology
Adaptations that can be passed from generation to generation can lead to __________ of a population of a species.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology