After attaching to a bacterial cell, a bacteriophage typically
A. extracts DNA from the cell.
B. extracts protein from the cell.
C. transforms the cell into a virulent strain.
D. injects protein into the cell.
E. injects DNA into the cell.
Answer: E
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a. abscisic acid b. hydrogen peroxide and nitric oxide c. ethylene d. jasmonic acid e. epicatechin
The trp operon is typically characterized as being both under negative control and repressible
Indicate whether the statement is true or false
What is the order of the central dogma of biology?
A. DNA-->protein-->RNA B. Protein-->RNA-->DNA C. DNA-->RNA-->Protein D. RNA-->DNA-->Protein
Which of the following is not a type of pseudopod found in protozoa?
A. Filopodia B. Lobopodia C. Reticulopodia D. Peripodia