Porous outer layer of a cell that protects it by picking what goes in and out.
Cell membrane
Chloroplast
Nucleus
Mitochondria
Organelle

Scientific thinking: what clues about biology might road kill provide?

Common commercial benefits of microorganisms include synthesis ofa. insulin. b. antibiotics. c. aspirin. d. antibiotics and aspirin. e. antibiotics and insulin.

Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth