The complement system functions to ____ and ____
a. mobilize B cells; initiate antibody production
b. help the innate immune system; turn on expression of T-cell receptor protein genes
c. destroy invading cells; provide a physical barrier against pathogens
d. destroy invading cells; guide phagocytes to the infection site
e. destroy viruses; guide phagocytes to the site of inflammation
d
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A template strand of DNA is read in the ____________ direction in order to direct synthesis of RNA in the ____________ direction
A. 3'-5'; 3'-5' B. 5'-3'; 3'-5' C. 3'-5'; 5'-3' D. 5'-3'; 5'-3'
Smallpox
A. has been eliminated as a naturally occurring infection in human beings. B. still occasionally occurs in third world countries. C. probably only had a human reservoir. D. was dealt with by vaccination. E. has been eliminated as a naturally occurring infection in human beings, AND was dealt with by vaccination.
The majority of crustaceans live in ____
a. bodies of freshwater b. tropical rain forests c. marine habitats d. Wetlands e. Grasslands
Differentiate between genotype, phenotype, and allele frequencies. What will be an ideal response?