The disease caused by B19 virus, a (papillomavirus/parvovirus/polyomavirus), is known as erythema infectiosum and produces a distinctive rash
What will be an ideal response?
parvovirus
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Describe some traits that allowed amniotes to adapt to life in dry places
What will be an ideal response?
Do all cells of the body express the same genes?
A) Yes, since they all contain the same DNA B) Yes, since they all make the same proteins C) No, since they don't contain the same DNA D) No, since they don't all need to make the same proteins
When a bacteriophage infects a bacterial cell, it injects ________ into the host cytoplasm.
A. RNA B. DNA C. lipids D. carbohydrates E. protein
In certain plants, some of the roots may be modified to carry out unusual functions. Which of these is not an example of one of these special functions?
A. help absorb oxygen B. store food or water C. parasitize other plants D. carry out photosynthesis E. discourage herbivores