Bio 105 exam 1 practice questions with complete solutions

Bio 105 exam 1 practice questions with complete solutions The four main categories of bio-molecules are? Proteins, Nucleic acids, Lipids, Carbohydrates What type of bond holds together the parts of a water molecule? Polar covalent bond What is the basic unit of structure and function of living things? A cell If the most common form of Carbon has 6 protons, 6 neutrons, and 6 electrons. Which elements would be an Isotope of carbon? An atom with 6 protons, 8 neutrons, and 6 electrons The alpha helix and beta represent which level of protein structure? Secondary structure Which of these are not a lipid? A. Phospholipid B. Cholesteral C. Estrogen D. RNA D. RNA A hydrophilic molecule... Will attract to polar molecule Which is the process of by which cells link monomers together to form polymers and by doing this water is produced? dehydration synthesis (dehydration reaction) A monosaccharide is to a carbohydrate as... An amino acid to a protein A peptide bond is... A covalent bond What determines the types of chemical reactions that an atom participates in? The number of electrons in the outermost shell What polysaccharide do plants use to store energy? Starch What domain are prokaryotic cells found? Bacteria and Archaea What is the sequence of biological organization from simplest to the most complex? cell, tissue, organ, organism Which is not one of the characteristics of life? A. Adaptations B. Organization C. Mutations D. Maintain homeostasis C. Mutations An elements atomic mass is determined by? The