Download Video Guide

yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project

Document related concepts

Apoptosis wikipedia , lookup

Flagellum wikipedia , lookup

Cell nucleus wikipedia , lookup

Cell encapsulation wikipedia , lookup

Amitosis wikipedia , lookup

Biochemical switches in the cell cycle wikipedia , lookup

Cytoplasmic streaming wikipedia , lookup

Extracellular matrix wikipedia , lookup

Cellular differentiation wikipedia , lookup

Cell culture wikipedia , lookup

Signal transduction wikipedia , lookup

Programmed cell death wikipedia , lookup

SULF1 wikipedia , lookup

Cell cycle wikipedia , lookup

Cytosol wikipedia , lookup

Organ-on-a-chip wikipedia , lookup

Cell growth wikipedia , lookup

Mitosis wikipedia , lookup

Cell wall wikipedia , lookup

Cytokinesis wikipedia , lookup

Cell membrane wikipedia , lookup

Endomembrane system wikipedia , lookup

List of types of proteins wikipedia , lookup

Life Science
Video: Cell Membranes: The Boundaries of Life
1. What is the smallest unit of life? __________
2. What is another name for the cell membrane?
3. What controls the passage of materials into the cell from the external environment?
4. What is the current model of the cell membrane called?
5. What molecule builds the bi-layer of the cell membrane?
6. What does hydrophilic mean?
7. What part of the phospholipid hydrophilic?
8. What does hydrophobic mean?
9. What part of the phospholipid is hydrophobic?
10. Which part of the phospholipid faces the water on the inside and outside of the cell?
11. Which part of the phospholipid faces away from the water inside and outside of the cell?
12. What is the role of cholesterol in the cell membrane?
13. What molecule is embedded in the phospholipid bi-layer?
14. In general, what is the role of proteins in the phospholipid bi-layer?
15. The movement of molecules from an area of __________ concentration to an area of
_______ concentration is called _________________.
16. When the cell takes no energy to move molecules into or out of a cell without energy is
called ________________________________.
17. How do oxygen and carbon dioxide get into a cell?
18. How do ions, amino acids, and proteins (things that are large and/or charged) get into a
19. What is the flow of water across the membrane called?
20. What is the name of a solution that will cause water to leave a cell?
21. What happens to the cell in this type of solution?
22. What is the name of a solution that will cause water to move into of a cell?
23. What happens to a cell in this type of solution?