Which of the following is the best description of a protozoan?
A. a heterotrophic protist
B. a chemotrophic protist
C. a heterotrophic prokaryote
D. a chemotrophic prokaryote
E. a photosynthetic protist
A
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Which type of phage always lyses its host cell?
A. Temperate B. Lysogenic C. Virulent D. Prophage
Many cases of epigenetic modification involve adding a methyl group to the DNA in promoters, a process called ____________________
Fill in the blank(s) with correct word
What are the chemical weapons involved with the first line of defense?
A. mucus and cilia lining the respiratory tract B. saliva and digestive enzymes C. oil and sweat glands within the skin D. All of the choices are correct.
True/False: Fever and inflammation are normal body responses to injury or infection, and it may be best to withhold treatment in some cases.
What will be an ideal response?