Which of the following families of cytokines play a central role in the inflammatory response by stimulating cell migration and attracting phagocytic cells and lymphocytes?
A) Chemokines
B) Hematopoietins
C) Interleukins
D) Tumor necrosis factor (TNF)
Ans: A) Chemokines
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If 0.08 mol of phenol and 0.03 mol of NaOH are combined in a total volume of 0.1 L, what would be the pH of the solution? The pKa of phenol is 9.9
A. 10.5 B. 8.5 C. 9.5 D. 9.7 E. 9.9
Explain the transpiration-cohesion-tension mechanism that acts in the xylem of plants
What will be an ideal response?
On mRNA molecules, a nontranslated sequence called the ________ usually precedes the initiation codon.
Fill in the blank(s) with the appropriate word(s).
RNA carries information for protein synthesis from the DNA in the nucleus to the ribosomes in the cytoplasm. To get from the nucleus to the cytoplasm, RNA must pass through a ________ in the nuclear membrane
Fill in the blank(s) with correct word