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

Biology & Microbiology

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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

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On mRNA molecules, a nontranslated sequence called the ________ usually precedes the initiation codon.

Fill in the blank(s) with the appropriate word(s).

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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

Biology & Microbiology

Explain the transpiration-cohesion-tension mechanism that acts in the xylem of plants

What will be an ideal response?

Biology & Microbiology