Larsen 1 Flashcards
Tissues are made of _______ ______ ____ bound together with various extracellular products
specialized cell types
What is an organ made of?
two or more tissues forming a large functional unit
An organic system is made of _______ _____ interrelated functions
organs with
An organism is made of _______ ________
organ systems
What is the level of organization in a multicellular organism?
cell tissue organ organ system organism
How do you recognize a tissue?
- Structure similar cells
- Cell products (extracellular matrices)
- Group of cells and their products together perform a function
What are the basic tissues?
- Epithelium
- Connective tissues
- Muscles
- Nerve tissue
Epithelium
line body surfaces and cavities, protection & glandular secretion
Connective tissue
support and protect tissues & organs
Muscle
Body movement
Nerve tissue
Transmission of nervous impulses
What is needed to make a tooth?
- Epithelium
- Connective Tissue
They need to develop from undifferentiated to specific cell fates!!
What are four different cell signals?
Survive
Grow + Divide
Differentiate
Die
Jejunum of small intestine and neurons are from the same
Genome
The central dogma
DNA -> RNA -> PROTEIN
The central dogma
DNA -> RNA -> PROTEIN
Cell fates may be…? (3)
May be mitotic and maintain fate
May become post mitotitc
May undergo programmed cell death