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