45 points 1. in human beings, cells are structured differently based on what they need to do. true false 2. the integumentary system covers the entire human body. true false 3. matching a person's appearance to a dna sample involves what technique? snp analysis base-matching rna analysis allele pairing 4. what is one of the functions of the integumentary system, which includes skin and hair? provide important minerals to the body prevent passive transport regulate body temperature fight infection 5. cell theory was proposed initially by a zoologist and which other type of scientist? biologist chemist entomologist botanist 6. humans and animals store energy in monosaccharides, found in our muscles and liver. true false 7. lipid macromolecules, or "fats," store energy and make up the plasma membrane of cells. true false 8. from the map, which state has experienced the least amount of change in population from 1990 to 2000? north dakota texas oregon 9. what is the most basic unit that makes up a piece of granite? grains of dirt cells sand atoms 10. in the levels of organization for biological systems, you identify populations, tissues, organs, and organisms. which of these four is the smallest level of organization? population tissue organ organism 11. an organism, by definition, consists of multiple cells. true false 12. you are examining a substance found at a crime scene. using a chemical test, you are able to determine that glycogen is present in the substance. what does this mean for your investigation? the substance is from an animal source. the substance is the poison ricin. the substance is from a plant source. the substance is a lipid. 13. you are examining evidence from an old crime scene. you have a blood sample, but you believe that the sample may be too degraded to get dna from. you decide to try to retrieve mtdna from the sample and compare it to a sample from your suspect. what information could this sample give you? that the blood at the crime scene belonged to your suspect that the suspect has blond hair and blue eyes that there is a maternal relation between the two people that the person from the crime scene have been near the suspect 14. what do amino acids link together to form during protein synthesis? polypeptide chain polysaccharide ribosome dna code 15. ricin kills by attacking what part of a cell? the membrane, causing cells to dissolve the ribosomes, causing cells to "starve" the nuclei, causing cells to collapse the dna, causing cells to be unable to reproduce themselves