Selectively permeable membranes can be found around a variety of cells and places. The most common example is the phospholipid bilayer cell membrane that surrounds every cell in our bodies.
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B or A the chapter I learned talked about both
<span>In aquatic ecosystems net primary productivity is related to</span>available sunlight and nutrients.
the offspring has a 50% chance of having black feathers and a 50% chance of white feathers
Answer:
Viruses are made up of two basic parts: the core (nucleic acid- DNA/RNA and the capsid protein coat that surrounds the core.
Explanation: