What is meant by the following statement? the cell membrane is semipermeable. a. the membrane allows all polar molecules into the cell. b. the membrane is very specific about what it allows to pass through. c. the membrane does not contain any membrane proteins. d. the membrane will not allow any molecules to pass through.

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

Which food could be transported in a galvanized metal container?

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl