1) what are plant cell organelles that convert light energy into relatively stable chemical energy by the photosynthetic process? a) chloroplast b) transport protein c) ribosome d) lysosome 2) define : hypotonic a) having a higher osmotic pressure than a surrounding medium or a fluid under comparison b) having a lower osmotic pressure than a surrounding medium or a fluid under comparison 3) eukaryotic cells vs prokaryotic cells  a) eukaryotic : no nucleus  prokaryotic : no nucleus b) eukaryotic : contains nucleus prokaryotic : no nucleus  c) eukaryotic : no nucleus prokaryotic : contains nucleus 4) homeostasis helps the body maintain a stable internal environment  a) true b) false 5) a process that involves the movement of molecules from a region of lower concentration to a region of higher concentration against a gradient or an obstacle with the use of external energy a) active transport b) passive transport

unit 2 : cell structure and function

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