Write the letter of the matching definition next to each term.
1. Cambridge
A. The act or process of ___
2. helix
B. When light passes sharp edges or goes through narrow slits the rays are deflected and produce
3. Francis Crick
C. Research with the use of ___
4. intellectual
D. A person who uses the mind creatively
5. ingenious
E. The act of conducting a controlled test or investigation
6. ribonucleic acid
F. Showing inventiveness and skill
7. Oxford
G. A unicellular organism having cells lacking membrane-bound nuclei
8. Nature
H. A stable situation in which forces cancel one another
9. radiation
I. English biochemist who helped discover the helical structure of DNA
10. experiment
J. Diagram of an electrical or mechanical system
11. celluloid
K. Ultramicroscopic infectious agent that replicates itself only within cells of living hosts
12. schematic
L. A city in southern England to the northwest of London
13. complication
M. The process whereby DNA makes a copy of itself before cell division
14. replication
N. The branch of physics concerned with the conversion of different forms of energy
15. equilibrium
O. A university in England
16. thermodynamics
P. A long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell
17. eukaryote
Q. A curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
18. prokaryote
R. An organism with cells characteristic of all life forms except primitive microorganisms such
19. bacteriophage
S. Energy that travels in waves or particles
20. virus
T. Tiniest unit of living things
21. hypothesis
U. A virus that is parasitic in ___
22. cell
V. Highly flammable substance made from ___ nitrate and camphor
23. diffraction
W. A tentative insight into the natural world
24. microscopy
X. The essential qualities or characteristics by which something is recognized