Compound eyes are composed of independent visual units called
A. ocelli.
B. ommatidia.
C. retinas.
D. apposition segments.
E. simple eyes.
Answer: B
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What procedure is used after PCR is done to make sure the amplification process worked properly?
A. gel electrophoresis B. Sanger sequencing C. microarray D. DNA Southern blot E. RNA interference
Male crickets create sounds that we call "chirps" by rubbing one wing against the other. A female cricket is attracted to the chirps and mates with the male once she locates him. Is this an example of communication?
A. Yes, because one individual produced information. B. Yes, because one individual received information. C. Yes, because information from the sender altered the receiver's behavior. D. Yes, because the exchange of information resulted in a benefit to the sender. E. Yes, because the exchange of information resulted in a benefit to the receiver.
In_______, cells are tagged with a fluorescent dye and injected into a flowing, progressively narrowing stream of fluid, forcing one cell at a time through a laser beam that scatters its fluorescence to a detector.
What will be an ideal response?
One possible fate for an exogenote is ________.
A. independent replication and functioning B. integration into the host chromosome C. degradation to nucleotides D. All of the choices are correct.