Cell Processes and Levels of Organization Study Guide
1. Is diffusion and example of active transport or passive transport?__Passive
Transport____________________
2. Name the 6 steps of Mitosis in order






___________________________ Interphase
____________________________Prophase
____________________________Metaphase
____________________________anaphase
____________________________telophase
____________________________cytokinesis
3. In order to maintain a stable internal environment, the cells of all living organisms must be able to
A.
get rid of waste.
B.
reproduce.
C.
extract energy from food.
D.
all of these
4. Cells need energy in order to
A.
make molecules.
B.
reproduce.
C.
change shape.
D.
all of these
5. What 2 molecules are given off by the plant during photosynthesis?__oxygen and
glucose____________________
6. What chemical do we breathe in that allows our cells to conduct Cellular
Respiration?__Oxygen_______________________.
7. ________ are membrane-bound bubbles that transport materials within a cell and between the cell
and its surroundings.
A.
Chloroplasts
B.
Mitochondria
C.
Vesicles
D.
Nuclei
8. Where do animal cells get the molecules, such as proteins, that they use for growth, repair and other
life processes?
A.
The animal takes in materials from the environment, and the cells use the materials
without changes.
B.
The cells make them from materials the animal takes in from the environment.
C.
The small intestine makes them from food that the animal ingests.
D.
The lungs make them from gases the animal takes in when it breathes.
9. Why do cells go through mitosis? reproduce or make new cells
10. The Law of Diffusion states that particles move from an area of ______high concentration
________________ to an area of low concentration_________________________
11. In a cell, what is the function of the cell membrane?
A.
It generates energy for the cell.
B.
It only maintains the cell shape.
C.
It controls the entry and exit of substances.
D.
It removes waste and stores ingested food.
12. Cells are the basic unit of life. Thus, cells are responsible for maintaining a stable internal
environment within living organisms.
How do humans continue to maintain a stable internal environment if billions of cells die within
their bodies each day?
A.
Humans need fewer cells as they get older.
B.
New cells are eaten in the form of food.
C.
Exposure to the Sun stimulates cell growth.
D.
The cells must be able to reproduce.
13. Do human cells go through photosynthesis or respiration?_____________________________
14. Homeostasis refers to
A.
the similarity of genetic traits to one another.
B.
the effect of natural selection on human evolution.
C.
a mixture or solution that is the same throughout.
D.
the tendency of a cell to maintain a stable internal environment.
15. What part of the plant takes in water?_root________________________
16. During diffusion what is it called when both areas have approximately the same number of
molecules?__equilibrium__________________________
17. What are the 5 levels of Organization, from smallest to largest, in a multicellular organism?
 ___________________________cell
 ___________________________tissue
 ___________________________organ
 ___________________________organ system
 ___________________________organism
18. What chemical is found in the chloroplast (makes the plant
green)?___chlorophyll____________________
19. What part of the cell does cellular respiration take
place?___mitochindria_______________________.
20. What chemical do we breathe out as a waste product of Respiration?__carbon
dioxide________________________
21. When our cells go through respiration how do we get rid of the water waste that we make?_urinate,
sweat, breathing(water vapor)__________________________
22. What 2 molecules are taken in to the cell during cellular respiration?_glucose
oxygen__________________________ ______________________
23. What type of sugar is made during photosynthesis?____glucose_________________________
24. What 2 molecules do plants take in during photosynthesis?____carbon dioxide and
water______________________
25. Osmosis is diffusion of what material?___water________________________
26. What 2 molecules are made during cellular respiration?__water vapor carbon
dioxide________________________ _________________________
27. What part of a plant cell does photosynthesis take place?__root
___________________________
28. Where does a plant get its energy from, in order to conduct
photosynthesis?__sun_________________
29. During Active transport molecules more from and area of__low concentration
__________________________ to an area of high concentration________________________.
30. During diffusion what is it called when both areas have approximately the same number of
molecules?__equilibrium___________________________.