The antibiotic polymyxin B attaches itself to the phospholipids in the phospholipid bilayer and increases the permeability of the membrane. Describe what will occur as a result
What will be an ideal response?
The plasma membrane will lose its ability to be a selectively permeable barrier. Substances will leak out of the cell, and some previously excluded substances may enter. Eventually, the cell will die.
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What advantage does phycoerythrin confer upon red algae?
What will be an ideal response?
Deposits of shells from ancient _____ are mined as chalk and limestone
a. dinoflagellates c. radiolarians b. diatoms d. foraminiferans
A bacterial infection becomes a disease when
a. the growth of normal flora is inhibited. b. the immune system is triggered. c. the organisms attach to host cells. d. there is tissue damage that impairs host function.
The members of ________ include dinoflagellates, apicomplexans, and ciliates.
Fill in the blank(s) with the appropriate word(s).