General Questions Flashcards
1
Q
What is tissue?
A
Tissue is a group of cells working together.
2
Q
What is the most basic unit of life?
A
Cells.
3
Q
What is a prokaryote?
A
A prokaryote is bacterial cells that have their genetic information stored as a nucleoid. - not a nucleus.
4
Q
How does protein synthesis work?
A
- DNA gene unwinds DNA
- RNA nucleotides line up next to and make mRNA (transcription )
- mRNA converts to toxin protein at a ribosome (translation)
- Toxin protein sent to cell membrane and released.
5
Q
What are the 4 main steps of gram staining?
A
- Bacteria submerged into a crystal violet.( primary dye).
- Washed and then iodine (mordant)is added.
- Dehydrate using ethanol.
- Submerge in red safranin (counterstain).
6
Q
What’s resolution?
A
How close two things can be seen and still be seen separate.