________ allow(s) for surface feeding and the introduction of more food to the deep depths
a. Stomiatoids
b. Barbels
c. Vertical migration
d. Detritus feeders
c
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Hershey and Chase demonstrated that when the bacteriophage T2 infected its host cell, the ________ is injected into the host but the ________ remained outside.
Fill in the blank(s) with the appropriate word(s).
Which of the following are points of control for gene expression in eukaryotes?
A. RNA processing B. translation C. transcription D. post-translational E. All of the choices are correct.
One way to produce a vaccine is to heat a virus or bacteria and then inject the inactive pathogen as a vaccination. How would the heat inactivate a virus?
A. by inhibiting its metabolism B. by destroying the membrane C. by blocking facilitated diffusion D. by denaturing proteins E. All of the answer choices are correct.
How does fat enter the blood circulation?
a. across the lining of the mouth b. through the hepatic portal system c. across the stomach lining d. through the lymph e. across the large intestine lining