Honors Biology Semester 1 Final Exam Questions and Answers 100% Pass
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Course
Honors Biology
Institution
Honors Biology
Honors Biology Semester 1 Final Exam
Questions and Answers 100% Pass
What are the steps of the scientific method? - Answer- Observation, question,
hypothesis, experiment, analysis, conclusion
What are the 7 characteristics of living things? - Answer- CHEMGER: cells,
homeostatis, energy, metabo...
Honors Biology Semester 1 Final Exam Questions and Answers 100% Pass What are the steps of the scientific method? - Answer - Observation, question, hypothesis, experiment, analysis, conclusion What are the 7 characteristics of living things? - Answer - CHEMGER: cells, homeostatis, energy, metabolism, growth, evolution, reproduction What is the difference between a molecule, atom, compound, and element? (give an example) - Answer - order in size: atom, element, molecule, compound O O H2O H2O atoms make elements 2+ atoms make molecules 2+ elements make compounds How is an ion different than an atom? (2 reasons) - Answer - an ion has a net charge and has lost or gain electrons How are ionic compounds different than covalent? - Answer - ionic compounds combine a positive and negatively charged atom covalent compounds combine two postively charged atoms How are ionic bonds different than covalent? - Answer - ionic bonds steal electrons and covalent bonds share electrons On a pH scale, where do acids fall? - Answer - 1-7 On a pH scale, where do bases fall? - Answer - 7-14 On a pH scale, where do nuetral items fall? - Answer - 7 What is an example of a common acid? - Answer - lemon juice, vinegar, apple juice What is an example of a common base? - Answer - ammonia What is an example of a common neutral item? - Answer - water What is the ratio of carbon, hydrogen and oxygen in carbohydrates? - Answer - C H2 O (1-2-1) What is the ration of carbon, hydrogen and oxygen in lipids? - Answer - C H(3+) O (1 ->2-
1) How do amino acid (protein) formulas differ from carbs or lipids or nucleic acids? - Answer - the have an NH4 What do nucleic acids have that other organic compounds do not? - Answer - PO4 What are the four organic compounds? - Answer - carbohydrates, lipids, proteins and nucleic acids Which of the following is an organic compounds? a) Ca3 (PO4 )2 b)H2 O c)CO2 d) C6 H12 O6 - Answer - d) C6 H12 O6 What does most nucleic acid look like? - Answer - double stranded or double helix What are the two most common nucleic acids? - Answer - DNA and RNA What is a monosaccharide? - Answer - single sugar What is a disaccharide? - Answer - double sugar (ie: glucose and fructose) What is a polysaccharide? - Answer - complex carb with three or more sugars What organic compound are enzymes? - Answer - protein What organic compound are starches, sugars, glucose and polysaccharides? - Answer - carbohydrates What organic compounds are wax and fats? - Answer - lipids What organic compounds are nucleotides? - Answer - nucleic acids How do enzymes and substrates fit together? - Answer - like lock and key What is activation energy? - Answer - energy needed to start chemical reactions How are catalysts related to activation energy? - Answer - reduce activation energy need How are enzymes related to activation energy? - Answer - speed chemical reactions using activation energy up What element do ALL organic compound have, natural or synthetic? - Answer - carbon What is the most common source of energy for living things? - Answer - carbohydrates What did Hooke do to help cell discovery? - Answer - saw first cells in cork What did Leeuwenhoek do to help cell discovery? - Answer - observed cells of living things through the first microscope that he made What did Schleiden do to help cell discovery? - Answer - developed the cell theory What is the difference between pro - and eukaryotes? - Answer - prokaryotes have no nucleus while eukaryotes do Give an example of a prokaryote. - Answer - bacterium Give an example of a eukaryote. - Answer - plants and animals Where is the cytoplasm in a cell? - Answer - from the outside of the nuclear membrane to the cell membrane
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