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34 Cards in this Set

  • Front
  • Back
14.Define organ systems.
Groups of organs that work together to perform particular jobs.
What is the function of the cell membrane?
It keeps the cytoplasm inside and allows nutrients in and waste products out.
13. All cells are surrounded by a ________________________.
cell membrane
15. Define organelle.
Structures inside the cell that enable the cell to live, grow, and reproduce.
16. Define organism.
Anything that can live on its own.
17. Define structure.
Structure is the shape of a part and the material it is made of.
18. How many cells are humans made of?

How many cells did you start from?
100 trillion;

Only 1
7. Name three organ systems in your body. (Short Answer)
Digestive System, Circulatory System, Respiratory System, Skeletal System
8. One of the world's largest cells is a chicken egg. What does this show?
This shows that not all cells are too small to be seen without a microscope
9. Organs are made up of groups of ________________.
10. T or F All cells are surrounded by a cell membrane.
11. T or F All cells come from other cells.
12. T or F All cells are able to survive on their own.
False. Many cells are dependent on others for life.
2. The information for how to make proteins is located in what organelle?
The nucleus
3. What are organs made of?
Groups of tissues
4. What are the three parts of the cell theory?
1. The cell is the basic unit of all living things
2. All cells come from existing cells
3. All organisms are made up of one or more cells
5. What are tissues made of?
Groups of cells
6. What basic structure carries out functions to sustain life?
28. What did Virchow say about cells?
Virchow said that all cells come from cells.
30. What is DNA?
The genetic material in the cell.
31. What is a single-celled organism?
It is a single cell that is living on its own.
32. What is the difference between a plant cell and an animal cell? (Short answer)
A plant cell has a cell wall and chloroplasts and the animal cell does not.
33. What is the function of the cell membrane?
It acts as a barrier between the inside of the cell and the cell's environment.
23. What is the function of the digestive system?
It breaks down food into very small particles so that it can be used by all of your body's cells.
24. What is the function of the plant leaf?
It captures light energy to make food for the plant.
25. What is the structure and the function of the lungs and the heart? (Short Answer)
structure: groups of air sacs
Function: breathing
2. Heart-
structure: set of muscle chambers
Function: pump blood
26. What types of cells have a nucleus? (Short Answer)
27. What was the first person to discover and name "the little boxes" seen under a microscope looking at?
A slice of cork
19. Where in the cell does photosynthesis occur?
In the chloroplasts
20. Where is DNA found?
In cells (in the nucleus)
21. Why is an elephant larger than a human?
An elephant has more cells than a human does.
22. What is the difference between a eukaryote and a prokaryote?
Eukaryotes have a nucleus. Prokaryotes do not.
29. What is DNA and where is it found? (Short Answer)
DNA is the genetic material. It is found in the nucleus of cells.
1. T or F All cells contain cytoplasm and organelles.