What are the most common routes for the administration of a vaccine?
a. Inhaled or orally
b. Topically or injected
c. Orally or injected
d. Inhaled or injected
e. Topically or orally
c
Biology & Microbiology
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After the zygote has surpassed 100 cells, during cleavage, it becomes known as which of the following?
a. morula b. gastrula c. blastula d. flatula
Biology & Microbiology
The surface defenses of the body consist of the ______ and the mucous membranes lining the digestive and respiratory tracts.
A. bone marrow B. skin C. T cells D. lymphocytes
Biology & Microbiology
Homeotic genes encode which type of protein?
a. transcription factors b. ribosomal proteins c. channel proteins d. membrane-associated proteins e. DNA methylases
Biology & Microbiology
What 4 things do ALL cells have?
What will be an ideal response?
Biology & Microbiology