As an experiment, you infect bacteria with an unknown virus to see how the bacteriophage affects the bacteria. After a few days, you notice that the bacterial population is growing normally and that the cells appear healthy
Assuming that the infection occurred, what can you conclude from your observations? A) The virus is a bacteriophage that is reproducing the lytic cycle.
B) The virus is a retrovirus that is reproducing the lytic cycle.
C) The virus is a bacteriophage that is reproducing the lysogenic cycle.
D) The virus is a retrovirus that is reproducing the lysogenic cycle.
C
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The coding sequence in the DNA of ________ is normally continuous; that is, it is not interrupted by noncoding sequences.
A. mammals B. most insects C. prokaryotes D. plants
Choose the correct order of tracheal system structures from most external to most internal
a. spiracles, tracheae, tracheal branches, tracheoles b. tracheoles, tracheae, tracheal branches, spiracles c. tracheoles, tracheal branches, tracheae, spiracles d. spiracles, tracheal branches, tracheae, tracheoles
e. spiracles, tracheoles, tracheae, tracheal branchesThe large, central canal of a poriferan is know as the:
1.Choanocyte
2.Osculum
3.Porocyte
4.Spongocoel
The velocity of water in a stream channel is greater along the margins of the channel than in the center of the channel
Indicate whether the statement is true or false