BSC1005 MIDTERM MDC EXAM STUDY QUESTIONS AND ANSWERS GRADED A 2024

What is Biology? - The scientific study of life. Proper components of the SCIENTIFIC METHOD. - Observation, Question, Hypothesis, Prediction, Experiment, Results, Conclusion. Taxonomy is the ____? - Naming and classifying of species. Which Kingdom of Eukarya consist primarily of unicellular organisms? - Protista What accounts for the different breeds of domesticated dogs? - Artificial selection. Relative to prokaryotic cells, eukaryotic cells are usually ______. - EUKARYOTIC: Larger, and MORE COMPLEX. What does adaption mean in a biological context? - The accumulation of favorable variations in a population over time. What is the difference between discovery science and hypothesis driven science? - Discover science describes natural structures and processes as accurately as possible through careful observation and data analysis. Hypothesis- driven science is the observation and induction of discovery science. It stimulates us to seek natural structures and processes. A Hypothesis is a ____. - Tentative answer to a question. What is a Gene? - A unit of inheritance. The second Electron Shell of an atom can hold a maximum of _____ electrons. - 8 All atoms of an element have the same number of _____. - Protons Relative to a PH of 6, a PH of 4 has a ______. - 100 time high H+ concentration. The lower the PH of a solution, the ________. - more acidic. ______ is an example of an element. - Carbon What are the reactants of the following chemical reaction? C6H12O6 + 6 H2O + 6 O2 + ---> 6 CO2 +12H2O - C6H12O6, H2O, and O2 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 _______ bonds. - Polar and covalent. A Base ______. - Will increase the PH of a solution as it will lower the H+ ions. Animals store carbohydrates as _______? - Glycogen. The following molecule is best described as ______. CH3 - CH2 - CH2 - CH2 - hydrocarbon. A pleated sheet is an example of protein ______structure - Secondary Carbohydrates typically include ______. - C, H, and O atoms. A single carbon atom can form a maximum of ______ covalent bonds. - 4 Proteins are polymers constructed from _______ monomers. - Amino acid.