Cytokines are signaling molecules produced by T lymphocytes.
Answer the following statement true (T) or false (F)
True
True, cytokines are produced by T lymphocytes, macrophages, and other cells.
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Lactic acid bacteria are used to ferment and produce foods from
A. dairy. B. vegetables. C. meat. D. All of these can be fermented by lactic acid bacteria to make foods.
An organism with the genotype of AaXx can produce gametes containing ____ if the two genes are unlinked
a. either Aa or Xx b. either AX, Ax, aX, ax c. AaXx only d. AX or ax e. A,a,X,x
Vertebrates have a closed circulatory system with a(n) dorsal heart and blood containing hemoglobin. Indicate whether the statement is true or false
Which of the following is TRUE of both T cells and B cells?
A. They have class I MHC molecules on their cell surface. B. They recognize specific antigens on the cell surface. C. They are involved in the humoral immune response. D. They are lymphocytes. E. All of the responses are correct.