A research laboratory is investigating environmental factors that would inhibit the growth of Archaea. One question they have is if adding the antibiotic penicillin would be effective in controlling their growth
What do you think the outcome would be if they tried this?
A. The penicillin wouldn't affect the Archaea because it prevents crosslinking of peptidoglycan-Archaea don't have this compound in their cell walls.
B. The penicillin will inhibit cell wall formation in the Archaea, killing them.
C. The penicillin will slow down the growth of the Archaea by damaging the cell wall, but they will still be able to grow somewhat.
D. The penicillin will enhance the growth of the Archaea by providing a rich nutrient source.
A
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A) transferring weight along the axis of the vertebral column. B) allowing twisting motions. C) protection of the spinal cord. D) providing support. E) providing a passageway for nerves.
All of the following are participants in cell-mediated immunity EXCEPT ________.
Fill in the blank(s) with the appropriate word(s).
Shade-tolerant plant species are generally found early in succession and are replaced by hardier, shade-intolerant species
Indicate whether the statement is true or false
When the bacteriophage DNA becomes part of the bacterial chromosome,
A. it has entered the lytic cycle. B. it has entered the lysogenic cycle. C. it can never exit the genome and initiate viral replication. D. it kills the cell.