biology midterm Quiz

Question Number 1 a methodical field of study in which facts are obtained through information and experimentation in an attempt to explain natural occurring phenomena. A. chemistry B. biology C. science Question Number 2 the process by which scientists discover the answers to scientific questions using a step by step process. A. scientific method B. science C. biology Question Number 3 a system of measurements used by scientists all over the world. A. number system B. Metric system C. science Question Number 4 follow all written instructions or instructions from the teacher whenever working in the science laboratory. A. always B. never C. sometimes Question Number 5 Three branches of biology are: A. chemistry, physics, and biology B. chemistry, physics, and science C. science, math, and english Question Number 6 Chemistry A. study of living things B. deals with the study of motion. C. deals with properties of matter. Question Number 7 Physics A. deals with properties of matter B. deals with the study of motion C. study of living things Question Number 8 Biology A. deals with properties of matter. B. Observes and identifies the structures, functions, and abilities of organisms needed to interact on earth. C. deals with the study of motion Question Number 9 Two properties of matter are A. mass and matter B. volume and mass C. length and width Question Number 10 basic unit of matter A. nucleus B. centriole C. atom Question Number 11 . Atomic # is A. protons and neutrons B. the # of neutrons C. the # of protons Question Number 12 Atomic mass is A. electrons and protons B. protons C. # of neutrons plus # of protons Question Number 13 consists entirely of one type of atom A. Elements B. electrons C. nucleus Question Number 14 atoms of the same element that has the same # of protons but different # of neutrons. A. neutrons B. isotopes C. electrons Question Number 15 consists of 2 or more different atoms chemically combined in definite proportions. A. nucleus B. isotopes C. compounds Question Number 16 atoms combine to achieve stability. Sharing of electrons A. covalent bonds B. atomic bond C. ionic bond Question Number 17 transfer of elections A. atomic bond B. covalent bond C. ionic bond Question Number 18 any process in which a chemical change occurs A. ionic reaction B. Chemical reaction C. chemical equation Question Number 19 symbols and formulas are used to represent reactants and products A. ionic reactions B. chemical reactions C. chemical equations Question Number 20 substances composed of 2 or more elements or compounds that are mixed together but not chemically combined. A. compounds B. mixtures C. collagen Question Number 21 homogeneous mixtures in which 1 substance is dissolved in another. A. compounds B. mixtures C. solutions Question Number 22 mixtures containing nondissolved particles distributed within a solid, liquid or gas. A. solutions B. suspensions C. compounds Question Number 23 compounds that release hydrogen ions in solutions. Bases release hydroxide ions A. acids B. bases C. neutral Question Number 24 contains carbon A. oranic B. inorganic C. both Question Number 25 contain carbon, hydrogen and oxygen A. proteins B. carbohydrates C. water Question Number 26 simple sugars A. disaccharide. B. Monosaccharides C. saccharides Question Number 27 two monosaccharides make A. 3 disaccharides B. 2 disaccharides C. a disaccharide Question Number 28 carry out chemical reactions A. proteins B. carbs C. sugars Question Number 29 what are proteins made up of? A. CHON B. CHO C. CHN Question Number 30 what are lipids made up of? A. CHO B. CHN C. CHON Question Number 31 What are Carbohydrates made of A. CHO B. CHN C. CHON Question Number 32 to make up a protein, you will need A. 3 fats, 2 glycerol and 3 waters B. 2 fats 2 glycerol and 2 waters C. 3 fats, 1 glycerol and 3 waters Question Number 33 four types of sugars are A. glucose, simple sugars and proteins B. glucose, lactose, sacrose, and lacross C. ribose, sucrose, galactose, and glucose Question Number 34 what speeds up a reaction A. inxymes B. enzymes C. vaculoes Question Number 35 nucleic acids contain A. CNaPH B. COHNP C. HOPLA Question Number 36 If every carbon atom in a fatty acid chain is joined to another carbon atom by a single bond, the fatty acid is a _________________ A. saturated fat B. unsaturated fat C. both Question Number 37 If a pair of carbon atoms is joined by a double dond, the fatty acid is ___________ A. saturated B. unsaturated C. both Question Number 38 what are steroids A. they form memebranes,store energy, messengers B. take energy C. don't serve as messengers Question Number 39 nucleic acids are made of what A. rna and dna B. rna and fna C. dna and tna Question Number 40 what is the cell theory A. all living things are composed of cells,cells are the basic units of structure in living things and all cells come from preexisting cells Question Number 41 All cells have what 3 things A. cell wall, cell membranse, and brain B. cell wall, cell membrane, and nucleus Question Number 42 what is diffusion A. movement of materials through the nucleoids B. the process by which molecules of a substance move from areas of high to low concentration Question Number 43 what is osmosis A. the diffusion of water molecules through a selectively permeable membrane B. the process by which molecules of a substance move from areas of high to low concentration Question Number 44 what is fascilitated diffusion A. diffusion of materials across a cell membrane assisted by carrier proteins B. organism that can survive without oxygen Question Number 45 what is active transport A. energy requiring process that enables a material to move across a cell membrane against a concentration difference. Question Number 46 passive transport A. movement of substances across a cell without energy B. movement of substances across a cell using energy Question Number 47 what is cell speacialization A. B. cells are uniquely suited to not perform a particular function within the organism C. cells are uniquely suited to perform a particular function within the organism Question Number 48 what are the levels of cell organization A. cells, tissues, organs, and organ systems that make up the organism. Question Number 49 what is DR.GOMARSH A. Development,Response,Growth,Organization,Metabolism,Adaptation,Reproduction,Stimuli,Homeostasis