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Here is the requested markdown: ## Question 31 a\. filtration. b\. osmosis. c\. active transport. d\. diffusion. **ANS: D** ## Question 32 Oxygen moves from the lungs (high concentration) into the blood (low concentration) in response to: a\. filtration. b\. osmosis. c\. diffusion. d\. endocyt...

Here is the requested markdown: ## Question 31 a\. filtration. b\. osmosis. c\. active transport. d\. diffusion. **ANS: D** ## Question 32 Oxygen moves from the lungs (high concentration) into the blood (low concentration) in response to: a\. filtration. b\. osmosis. c\. diffusion. d\. endocytosis. **ANS: C** ## Question 33 Which process describes the pushing of water across the capillary (blood vessel) membrane? a\. Facilitated diffusion b\. Osmosis c\. Filtration d\. Pinocytosis **ANS: C** ## Question 34 Which structure puts the finishing touches on and packages the protein for export from the cell? a\. Mitochondrion b\. Golgi apparatus c\. Lysosome d\. Nucleolus **ANS: B** ## Question 35 Which of the following structures make the rough endoplasmic reticulum look like sandpaper? a\. Ribosomes b\. Globs of cytoplasm c\. ATP d\. Fragments of DNA **ANS: A** ## Question 36 Which structure is described as a semipermeable lipid bilayer? a\. Lysosome b\. Mitochondrion c\. Ribosome d\. Cell membrane **ANS: D** ## Question 37 The selectively permeable membrane: a\. is a result of its composition; it is tough connective tissue, much like a ligament. b\. determines which substances enter and leave the cell.