Cell Theory Flashcards
1
Q
How many cells in the human body?
A
37.2 trillion
2
Q
How many distinct mammalian cell types?
A
200
3
Q
How many protein coding genes?
A
20,000
4
Q
All cell types develop from…
A
pluripotent stem cells
5
Q
What is involved in the central dogma of molecular biology?
A
Transcription & Translation
6
Q
Epigenetics
A
Alternations in gene expression that does not depend on changes in DNA sequences
7
Q
Mitochondrial DNA
A
DNA comes from mother
8
Q
Nucleated DNA
A
DNA comes from both parents
9
Q
Name the 2 phases of glycolysis
A
- Energy Investment
- Energy payoff
10
Q
Lysosomes
A
Contain digestive
enzymes for waste removal
11
Q
Cytoskeleton
A
Structural proteins – give cell characteristic shape and support Important for motility and transport
12
Q
Name the 6 stages of mitosis and cell division
A
- Interphase
- Prophase
- Metaphase
- Anaphase
- Telophase
- Cytokinesis (daughter cells)
13
Q
Apoptosis
A
Programmed cell death
