Which of the following cytokines acts to stimulate natural killer cells and induce naà¯ve T cells to differentiate to TH1 cells?

A) IL-1?
B) IL-6
C) IL-12
D) TNF-?


Answer: C

Biology & Microbiology

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About twenty-five of the ninety-two natural elements are known to be essential to life. Which four of these twenty-five elements make up approximately 96 percent of living matter?

A) carbon, sodium, hydrogen, nitrogen B) carbon, oxygen, phosphorus, hydrogen C) oxygen, hydrogen, calcium, nitrogen D) carbon, hydrogen, nitrogen, oxygen E) carbon, oxygen, nitrogen, calcium

Biology & Microbiology

Blastospores are produced by glomeromycetes

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

The units of inheritance, called ________, are segments of the DNA of a chromosome, ranging from a few hundred to many thousands of nucleotides in length

Fill in the blank(s) with correct word

Biology & Microbiology

How does the skeletal system of an arachnid differ from that of a cephalopod?

What will be an ideal response?

Biology & Microbiology