Download 2nd Nine Weeks Exam Study Guide - Mr. Barger

Mid-term Exam Study Guide
1. A controlled experiment allows the scientist to isolate and test ___________________________.
2. Biology is the study of ___________________________.
3. The process by which organisms keep their internal conditions relatively stable is called
_____________________________________.
4. The most abundant compound in most living things is ___________________________.
5. Water molecules are polar with the oxygen side being slightly __________________ and the
hydrogen side being slightly _________________________.
6. Horizontal rows of the periodic table are called _________________.
7. Vertical rows of the periodic table are called ___________________.
8. Isotopes are atoms of the same element who have a different number of
_____________________.
9. Radioactive isotopes have ________________ nuclei and will _______________ over time.
10. _____________ form bonds due to the arrangement of their outer electrons.
11. The outer electrons of an atom are also called ________________ ___________________.
12. There are three types of bonds between atoms. Explain what happens during each bond.
13. Amino acid is to protein as simple sugar is to ____________________________.
14. What organic molecule is the main source of quick energy for living things?
15. What are three functions of proteins?
16. ________________________ is the term used to describe the energy needed to get a reaction
started.
17. What are three functions of enzymes?
18. Enzymes affect the reactions in living cells by changing the _____________________________.
19. _____________________________ is the original source of almost all energy in most
ecosystems.
20. The __________________________________ is a thin, flexible barrier that surrounds an animal
cell.
21. The _______________________is the cell structure that contains the cell’s genetic material and
controls the cell’s activities.
22. __________________________ are a type of cell that contains a nucleus, specialized organelles
and genetic material.
23. ________________________ are organisms that are considered to be prokaryotes.
24. The main function of the cell wall is to ___________________________________________.
25. __________________________________ cells do NOT contain a cell wall.
26. Why is the nucleus important to cells?
27. What is the function of the cytoskeleton?
28. ____________________ is the organelle that breaks down food into particles the cell can use.
29. ________________________ is the organelle that makes proteins using coded instructions that
come from the nucleus.
30. _____________________ and ____________________ are organelles which help provide cells
with energy.
31. What is the function of the cell membrane?
32. __________________________ is the movement of molecules from and area of high
concentration to an area of low concentration.
33. _____________________________ is a means of particle transport that requires an input of
energy from the cell.
34. Vocabulary Terms.