Which one of the following molecules can MOST easily pass through the plasma membrane unassisted? A. Ca2+, a positive ion

B. Cl−, a negative ion

C. CO2, a nonpolar gas

D. glucose, a large sugar

Models are non-visual ways of coummincating how someone thinks about something in the natural world

Where can you find prokaryotic and eukaryotic cells?

In one or two well-crafted paragraphs in your laboratory journal, summarize the process in which normal cells become cancer cells. your paragraph(s) must include each of the terms listed below. underline each term in your writing: