Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
5 Cards in this Set
- Front
- Back
|
What are the 7 characteristics of life?
|
1.Grow and develop. 2.Repair 3.Reproduce 4.Respond to enviro. 5.Metabolism, involved in chem reactions. 6. Exchange materials w their enviro. 7.Composed of cells.
|
|
|
What are the 3 parts of cellular theory?
|
1. Cells are the basic units of life 2. All living organisms are made of cells. 3. New cells arrive only from pre-existing cells.
|
|
|
Do smaller or bigger cells more efficient and why?
|
Small cells are the most efficient because they have the best surface area to volume ratio. This means they have the best efficiency for exchange.
|
|
|
What is the function of the plasma membrane?
|
To form a boundary that sourrounds the cell, keeps it intact and controls what enters ans exits the cell.
|
|
|
What is the function of the nucleus?
|
To determine the structural features of the cell and control its metabolic reactions (how the cell looks and feels).
|
