unit vocab

4. proteins that help speed up metabolism, or the chemical reactions in our bodies
5. The chemical substances which are formed due to a chemical reaction between two or more chemical substances
6. s a region of repetitive DNA sequences at the end of a chromosome.
10. The basic unit of heredity passed from parent to child
11. any one of a large number of diseases characterized by the development of abnormal cells that divide uncontrollably and have the ability to infiltrate and destroy normal body tissue
14. cells with the potential to develop into many different types of cells in the body.
16. threadlike structures made of protein and a single molecule of DNA that serve to carry the genomic information from cell to cell
17. the identical copies of a chromosome that are held together during replication and remain attached until they are separated during mitosis
18. An exothermic process releases heat, causing the temperature of the immediate surroundings to rise
19. only the atoms present in the reactants can end up in the products
20. a chemical reaction that releases energy by light or heat

1. the minimum amount of energy needed to start a chemical reaction
2. tissue building (mainly muscle)
3. the sequences of enzyme-catalyzed reactions by which relatively large molecules in living cells are broken down, or degraded
7. proteins that help speed up metabolism, or the chemical reactions in our bodies
8. A reactant in a chemical reaction is called a substrate when acted upon by an enzyme.
9. the chemical reactions in the body's cells that change food into energy.
12. a region on an enzyme that binds to a protein or other substance during a reaction
13. a series of events that takes place in a cell as it grows and divides
15. the unfolding or breaking up of a protein, modifying its standard three-dimensional structure