The pneumonia caused by the influenza virus results from the accumulation of fluid and cell debris in the lungs. This occurs during the lysogenic life cycle of the virus.
Answer the following statement true (T) or false (F)
False
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The transfer of genetic material from two unrelated species is called ________
A. Vertical gene transfer B. Conjugation C. Sexual reproduction D. Binary fission E. Horizontal gene transfer
Answer the following statements true (T) or false (F)
1. When lactose becomes available the genes encoding ?-galactosidase and lactose permease are upregulated in E. coli. 2. Different globin polypeptides are expressed at similar levels during the embryonic and fetal stages of mammalian development. 3. Bacteria can regulate gene expression by controlling the rate at which mRNA is translated into protein. 4. Small effector molecules directly bind the DNA they regulate.
Oaks, birches and corn produce both staminate and pistillate flowers on the same plant. What term describes this type of plant?
A. monoecious B. dioecious C. hermaphroditic D. complete E. determinant
Primary consumers eat:
a. detritivores b. decomposers c. producers d. other consumers e. any organism that is at a different trophic level