Cell Theory Flashcards
How many cells in the human body?
37.2 trillion
How many distinct mammalian cell types?
200
How many protein coding genes?
20,000
All cell types develop from…
pluripotent stem cells
What is involved in the central dogma of molecular biology?
Transcription & Translation
Epigenetics
Alternations in gene expression that does not depend on changes in DNA sequences
Mitochondrial DNA
DNA comes from mother
Nucleated DNA
DNA comes from both parents
Name the 2 phases of glycolysis
- Energy Investment
- Energy payoff
Lysosomes
Contain digestive
enzymes for waste removal
Cytoskeleton
Structural proteins – give cell characteristic shape and support Important for motility and transport
Name the 6 stages of mitosis and cell division
- Interphase
- Prophase
- Metaphase
- Anaphase
- Telophase
- Cytokinesis (daughter cells)
Apoptosis
Programmed cell death