A molecule that induces an immune response within an organism is called
A. an interleukin.
B. a lymphocyte.
C. an antibody.
D. an antigen.
Answer: D. an antigen.
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Which of the following uses ssDNA as the genome?
A. Herpesvirus B. Poliovirus C. Poxvirus D. Parvovirus
Ribosomal subunits
a. come together in threes to form functional units. b. are composed of mRNA and structural proteins. c. are synthesized in the cytoplasm. d. converge only when mRNA is to be translated. e. are transcribed from the complementary strand of DNA that is used for tRNA transcription.
Extensive epiphytes are found in the tropical dry forests
____________________ Indicate whether the statement is true or false.
Which of the following help neutralize free radicals that form in the body?
A) Amino acids B) Antioxidants C) Lipids D) Minerals E) Monosaccharides