Are heartbeats a characteristic of life?
What's a prokaryotic cell?
cell type without a nucleus
What's the smallest level of organization?
atoms
Tissue that covers the surface of the body
Epithelial tissue
Small organelles that synthesise proteins
ribosomes
Is the ability to move a characteristic of life?
no
What is inside the nucleus of a eukaryotic cell?
DNA
What is the second level of organization?
molecules
Produces and excretes substances
glandular epitelium
Where is DNA stored in eukaryotic cells?
Nucleus
Is having one or more cells a characteristic of life?
yes
What kind of cell is this?
prokaryotic cell
Whats the 5th level of organization after cells?
tissue
Specialized cells you can find in nervous tissues
neurons
Difference between rough and Smooth endoplasmatic reticulum
Have or not ribosomes
What is homeostasis?
The ability to regulate internal envirnment.
What kind of cell is this?
What # are cells on the levels of organization?
4
Allows the skeleton to move. Its contraction is quick and voluntarily .......muscle tissue
3 ways to absorb and remove substances from cell
diffussion
Active transport
Endocytosis
Name 5 characteristics of life
1.organization
2.metabolism/energy
3.homeostasis
4.growth
5.reproduction
6.response to stimuli
7.evolution
What domains of life are eukaryotic and prokaryotic?
1. bacteria-prokaryotic
2.archaea-prokaryotic
3.eukarya-eukaryotic
Name the last 3 levels of organization
1.organs
2.organ system
3.organism
6 types of connective tissues
Connective
adipose
Cartilage
bone
blood
Undifferentiated cells
Stem cells