Organisms

The flashcards below were created by user Anonymous on FreezingBlue Flashcards.

What is biology?

The study of life, past and present
What does the 7 elements that require life (MRSGREN)

movement, respire, stimuli, growth, reproduction, excretion, nutrients
List all three parts of the cell theory
- 1. cells are the basic structural and functional units of life
- 2. all living organisms are built of one or more cells
- 3. all cells come from pre-existing cells
What are microscopic meters measured in?

micrometers
What is the average life span of a red blood cell?

120 days
What is the average life span of a skin cell?

20-35 days
What is the average life span of mature sperm cells?

2-3 days
What is the average life span of a stomach cell?

2-3 days
What is the outer boundary of a cell called?

the plasma membrane
What is the correct terminology for DNA?

deoxyribose nucleic acid
What are the two different types of cells?

Prokaryotic and Eukaryotic
Do Prokaryotic cells lack membranes?

yes
Is there a clearly defined nucleus in Eukaryotic cells?

Yes
Cell is short for the Latin word cellular which means..?

Cell compartments

Author

315741

Card Set

Organisms

Description

the study of life, past and present

Updated

2016-02-11T22:17:27Z

Show Answers