Straighterline Bio Final study guide 2024/2025

Living and nonliving things both are composed of ___ consisting of ___. --matter elements The most important elements found in all organisms CHNOPS --carbon hydrogen nitrogen oxygen phosphorous sulfur Atomic mass is determined by the _ and _ --protons neutrons Atomic number indicates the --number of protons and electrons in electrically neutral atoms Atoms of a single element that differ in their numbers of neutrons. --Isotopes Ions --when atoms have lost or gained electrons and now have 8 Ionic bond --attraction between oppositely charged ions covalent bond --shared electrons electronegativity --when one atom exerts greater energy for the shared electron Solutions in which there are more hydroxide ions than hydrogen ions --basic Solutions in which there are more hydrogen ions than hydroxide ions --acidic Nucleic acids are --polymers of nucleotides cellular respiration --a quick way to get energy out of glucose Fluid that fills a cell --cytoplasm Cells that do not have a nucleas, but have a nucleoid. Bacteria. --Prokaryotic cells Complicated cells that include all animals, plants and people. --eukaryotic cells