Bioscience exam 1 UTSA Derrick Exam Study Guide Solutions

Bioscience exam 1 UTSA Derrick Exam Study Guide Solutions Level of biological organization - ANSWER-Molecules organelles cells tissues organs population comunities ecosystems biosphere What are the three domains to life - ANSWER-Archaea, bacteria, and eukarya ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 2/10 Which are prokaryotic and what are their defining features - ANSWER-Archaea and bacteria. single celled organisms containing no nucleus or membrane bound organelles Which are eukaryotic and what are their defining features - ANSWER-eukaryotes. membrane bound nucleus along with organelles and chromosomes hypothesis - ANSWER-A observational guess that can be tested and fasifiable theory - ANSWER-A tested set of facts based off observation that has evidence to back it discovery science - ANSWER-inductive, specific to general hypothesis based science - ANSWER-deductive, general to specific reductionism - ANSWER-bottom up , for understanding elemantary processes systems biology - ANSWER-top down, describes behavior in whole ecosystem emergent properties - ANSWER-properties that emerge when interacting elements - ANSWER-atoms with characteristics such as protons neutrons electron and atomic number molecules - ANSWER-covalent bonds with two or more atoms compounds - ANSWER-iconic or covalent bonds with two or more molecules ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 3/10 electron orbitals shows what accurately - ANSWER-electrons surrounding the nucleus valence electron, is it stable - ANSWER-it is the outermost shell and if completed its highly stable ionic bonds - ANSWER-donate electrons (NaCl) cation - ANSWER-a donated positive charge anion - ANSWER-a received negative charge (-ide is added to whats negatively charged) covalent bonds - ANSWER-share electrons (H2O) polar bonds - ANSWER-hydrophilic; opposite charges attarcts one another(H2O) nonpolar bonds - ANSWER-hydrophobic; same charges repeal eachother(O2) Hydrogen bonds are - ANSWER-polar covalent bonds Van der waals bonds are - ANSWER-the weakest just attract to atoms by electrostatic Hydrogen bonding includes - ANSWER-solvent versatility, cohesion, adhesion, specific heat, temp. moderation and denisty as a solid solvent abilities - ANSWER-ideal solvent for hydropholic solutions, polar compounds cohesion - ANSWER-attracted to other water molecules (it self) ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 4/10 adhesion - ANSWER-attracted to other molecules (glass) specific heat - ANSWER-water has a high specific heat which is why it takes long to heat water and cool it temp. moderation - ANSWER-evaporitive cooling density of water as a solid - ANSWER-is less dense than liquid because the hydrogen molecules are spread away from each other what underlies the diversity of organic compounds - ANSWER-carbon and functional groups functional groups - ANSWER-the molecular structures common in organic molecules isomers - ANSWER-cause diversity by allowing formulas to be the same but alterations of placment and bonds give rise to something new. what holds greatest versatility - ANSWER-carbon "back bone" what are the four macromolecules - ANSWER-carbohydrates, proteins, lipids, nucleic acids what are the two reactions involved in polymers - ANSWER-dehydration and hydrolysis reactions dehydration reactions - ANSWER-forms bond between two monomers while releasing water hydrolysis reactions - ANSWER-breaks bond by usin