Download Name Chapter 2: STARTS WITH ? REVIEW 1. The science of

Name _________________________
Chapter 2: STARTS WITH ? REVIEW
1. The science of studying living things = _B_ __ __ __ __ __ __
2. Double stranded nucleic acid that stores genetic information in cells = _D_ __ __
2. Maintaining stable internal conditions in an organism = _H_ __ __ __ __ __ __ __ __ __ __
4. Amino acids can be joined together to make a _P_ __ __ __ __ __ __.
5. Animal cells store glucose as a polysaccharide called _G_ __ __ __ __ __ __ __.
6. _P_ __ __ __ __ molecules have an uneven charge with more negative charge on one side
and more positive charge on the other.
7.Negatively charged particle found orbiting the nucleus in an atom
=_E_ __ __ __ __ __ __ __
8. Plant cells store glucose as a polysaccharide called _S_ __ __ __ __ __.
9. Subunit used to make a protein = _A_ __ __ __ __
_A_ __ __ __
10. An _E_ __ __ __ __ __ is a catalyst that speeds up chemical reactions in living things.
11. Living things burn _G_ __ __ __ __ __ __ for energy.
12. The basic unit of life is the _C_ __ __ __.
13. _H_ __ __ __ __ __ __ __ __ __ is the protein found in red blood cells that transports
oxygen.
14.An atom that has gained or lost electrons is called an _I_ __ __..
15. _P_ __ __ __ __ __ __ __ __ __ __ __ __ __ __ like glycogen, starch, and cellulose are
made by joining many sugar molecules together.
16. Particle with no charge (neutral) in the nucleus of an atom = _N_ __ __ __ __ __ __
17. Joining many sugars together makes a structural carbohydrate that makes plants sturdy
called _C_ __ __ __ __ __ __ __ __.
18. Positively charge particle in the nucleus of an atom = _P_ __ __ __ __ __
19. Na+ is the chemical symbol for a_S_ __ __ __ __ __ ion.
20. When proteins are placed in extreme pH and temperature conditions they will unwind and
change shape OR _D_ __ __ __ __ __ __ __ .
21. Nucleic acids like DNA and RNA are made from _N_ __ __ __ __ __ __ __ __ __
subunits.
22. _H_ __ __ __ __ __ __ __ __ __ __ molecules are “water fearing” and try to stay away
from water or other polar molecules.
23. Place on an enzyme where the substrate attaches = _A_ __ __ __ __ __
_S_ __ __ __
24. Type of chemical reaction in which a molecule is broken apart by the addition of the H and
OH from a water molecule = _H_ __ __ __ __ __ __ __ __ __
25. Chemical reaction used by cells to make proteins, nucleic acids, and polysaccharides in which
smaller molecules are joined together by removing an H and an OH to make a water molecule
= _D_ __ __ __ __ __ __ __ __ __ __
_S_ __ __ __ __ __ __ __ __