Biology LAB final Exam| questions| with complete solutions

Proteins that act as catalysts; or a protein that functions as a catalyst for a chemical reaction. correct answer: Enzymes Substances that regulate the rate of chemical reactions but do not unite permanently with reactants correct answer: Catalysis Heat, acids, and bases break the weak hydrogen bonds holding the protein together. This ruins the unique shape of the protein in a process called....? correct answer: Denaturation The region of the enzyme where contact is made between the substrate and the enzyme correct answer: Active site Molecule that the enzyme will alter correct answer: Substrate When two daughter cells are identical; same number of chromosomes as the parent cell (growth from fertilized egg into adult human; cells replicate themselves).. correct answer: Mitosis In daughter cells with one-half the chromosome number as the parent cell (sex cells-sperm and eggs) correct answer: Meiosis When the cell's cytoplasm and associated parts divide is or divison of cell plasma membrane. correct answer: Cytokinesis A constriction of the cell membrane at the equator of the cell that marks the beginning of cytokinesis in animal cells. The cell divides as the furrow deepens. correct answer: Cleavage