AP Biology Unit 2 Test Questions with 100% Correct Answers

2 organelles that contain their own DNA separate from the chromosome Correct Answer Mitochondria and chloroplast What domains fall under prokaryotic cells? Correct Answer Bacteria and archaea What are the basic features of all cells? Correct Answer Membrane, cytoplasm, chromosomes, ribosomes This organelle synthesizes lipids, metabolizes carbohydrates, detoxifies poison, and stores calcium Correct Answer Smooth ER This cell is characterized by having DNA in a nucleus that is bound by a nuclear envelope and membrane bound organelles Correct Answer Eukaryotic cell This is a membranous sac of hydrolytic enzymes that can digest macromolecules Correct Answer Lysosome The __________ is a selective barrier that allows oxygen, nutrients, and wastes to service the volume of every cell Correct Answer Plasma membrane Ribosomes use the information from the DNA to make what Correct Answer Proteins This cell type is characterized by having no nucleus, but instead a nucleoid, and no membrane bound organelles Correct Answer Prokaryotic cell Diffusion through protein channels is known as what? Correct Answer Facilitated diffusion Site of ribosomal RNA synthesis Correct Answer Nucleolus What happens to a plant cell when placed in pure water (hypotonic solution)? Correct Answer It becomes turgid, cell wall protects from bursting Site of photosynthesis Correct Answer chloroplast These vacuoles pump excess water out of the cell Correct Answer Contractile This ER lacks ribosomes Correct Answer Smooth ER