While of the following techniques or tools has provided information regarding the nature of viruses, which one had to be developed before the genetics, biochemistry, and life cycles of viruses could be thoroughly studied?
A. viral cultivation techniques
B. serological techniques
C. scanning electron microscopy
D. transmission electron microscopy
Answer: A
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A) Polarity B) Compound C) Denaturation D) Monosaccharides E) Hydrogen bonds F) Element G) Triglycerides H) Amino acids I) Tertiary structure J) Active site
A radial nervous system is characteristic of the sea star
____________________ Indicate whether the statement is true or false.
)
A. Complement B. Toll receptors C. Interferon D. Peptidoglycan E. Lipopolysaccharide
The diversity among human antigen receptors is attributed mainly to ________
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