Acellular vaccines and subunit vaccines
A. contain modified bacterial exotoxin molecules.
B. confer passive immunity.
C. are always genetically engineered.
D. contain select antigenic components of a pathogen rather than whole cells or viruses.
E. All of these choices are correct.
Answer: D
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a. strigolactones b. cytokinins c. ethylene d. auxins e. jasmonates
Which of the following is a diploid stage in the
life cycle of fungi?
a. zygote b. spores c. gametes d. vegetative growth of hyphae e. cell reproduction by budding or fragmentation
The PCR technique doubles the amount of DNA in a sample in each cycle. If you started the PCR technique with two fragments of double-stranded DNA, calculate how many double-stranded DNA fragments you would you have after four cycles
A) 8 B) 16 C) 32 D) 64
Deuterostomes are split into the Ecdysozoa and the Lophotrochozoa
____________________ Indicate whether the statement is true or false.