The activation of the secondary immune response begins with which of the following?

a. Antibodies
b. Killer T-cells
c. Memory cells
d. Mast cells
e. Suppressor T-cells


Ans: c. Memory cells

Biology & Microbiology

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Which of the following is a population?

1.the deer (Odocoileus hemionu) living in Yosemite Valley, California 2.the deer and the grass in Yosemite valley 3.all of the organisms living in Yosemite valley 4.all of the organisms living in the Sierra Nevada mountains of California

Biology & Microbiology

What is the proper in-text citation style for more than two authors?

A. (Alexander ... 1961) B. (Alexander, Williams, Duerison, Young, Zhang, Trachkosky and Lingerberg 1961 ) C. (Alexander etc. 1961) D. (Alexander et al. 1961)

Biology & Microbiology

Which of the following is NOT a part of the 4-way streak technique?

Biology & Microbiology