What is the first step of the adaptive immune response?
a. Recruitment of helper T cells
b. Inflammation
c. Mast cells attacking the antigen
d. Fever
e. Recognizing a specific antigen
e
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Where are MHC_II cell surface proteins found?
A. macrophages, B cells, and dendritic cells B. erythrocytes C. acidophils D. neutrophils E. neutrophils and macrophages
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What will be an ideal response?
To understand the role of zinc in plant growth and development, you are growing a tomato plant using hydroponics. Which plant organs do you expect to have developmental defects if you provide the plant with a solution devoid of zinc?
A) below ground development B) stem development only C) all organs will be affected D) leaf development only E) above ground development
Which method of reproduction is used by members of phylum Echinodermata?
A. fragmentation B. budding C. sexual D. asexual E. Both sexual and asexual