BSC1005 MIDTERM MDC GUARANTEED SUCCESS

BSC1005 MIDTERM MDC GUARANTEED SUCCESS Fundamental Biology Concepts - What is Biology? - The scientific study of life. Scientific Method - Proper Components of the Scientific Method: - Observation, Question, Hypothesis, Prediction, Experiment, Results, Conclusion. Taxonomy - Taxonomy is the: - Naming and classifying of species. Classification of Organisms - Which Kingdom of Eukarya consists primarily of unicellular organisms? - Protista. Genetic Variation - What accounts for the different breeds of domesticated dogs? - Artificial selection. Prokaryotic vs. Eukaryotic Cells - Relative to prokaryotic cells, eukaryotic cells are usually: - Larger and more complex. Biological Adaptation - What does adaptation mean in a biological context? - The accumulation of favorable variations in a population over time. Types of Science - Difference between Discovery Science and Hypothesis-Driven Science: - Discovery Science: Describes natural structures and processes as accurately as possible through careful observation and data analysis. - Hypothesis-Driven Science: Involves observation and induction from discovery science that stimulate the pursuit of natural structures and processes. Hypothesis - A Hypothesis is a: - Tentative answer to a question. Genetics - What is a Gene? - A unit of inheritance. Atomic Structure - The second electron shell of an atom can hold a maximum of: - 8 electrons. - All atoms of an element have the same number of: - Protons. pH and Acidity - Relative to a pH of 6, a pH of 4 has a: - 100 times higher H⁺ concentration. - The lower the pH of a solution, the: - More acidic. Chemical Elements - ______ is an example of an element. - Carbon. Chemical Reactions - What are the reactants of the following chemical reaction? - C₆H₁₂O₆ + 6 H₂O + 6 O₂ → 6 CO₂ + 12 H₂O - Reactants: C₆H₁₂O₆, H₂O, and O₂. Properties of Water - Why is water considered a polar molecule? - The oxygen end of the molecule has a slight negative charge, and the hydrogen end has a slight positive charge. - Adjacent water molecules are joined by: - Hydrogen bonds (polar and covalent). Bases - A Base: - Will increase the pH of a solution as it will lower the H⁺ ions. Energy Storage - Animals store carbohydrates as: - Glycogen. Molecular Structures - The following molecule is best described as: - CH₃ - CH₂ - CH₂ - CH₂: hydrocarbon. Protein Structure - A pleated sheet is an example of protein: - Secondary structure. Carbohydrates - Carbohydrates typically include: - C, H, and O atoms. Carbon Bonding - A single carbon atom can form a maximum of: - 4 covalent bonds. Proteins - Proteins are polymers constructed from: - Amino acid monomers. Which of the following is true regrading a DNA molecule? ️The amount of adenine is equal to the amount of thymine, and the amount of guanine is equal to the amount of cytosine. The following molecule is best described as _______. CH3-CH2-CH2-CH2 ️hydrocarbon. Enzymes are? ️proteins. Destruction of a proteins shape is called _____. ️denaturation How do radioactive isotopes differ from isotopes? ️RADIOACTIVE ISOTOPES: UNSTABLE