electron micrographs

Question 1

Electron Micrograph

Answer 1

photo taken using an electron microscope.
We can capture protein synthesis in the cytoplasm.

Question 2

biggest clue as to whether you’re looking at eukaryote vs bacterial cell

Answer 2

whether or not the ribosomes are in the same place as DNA

Question 3

key to rememebring which end the mRNA is attached to the DNA

Answer 3

• RNA POL is bound to the DNA…
• it adds new RNA bases to the 3’ end of the mRNA!!
• sooooo the 3’ end must be “inside” RNA POL (the C site)
• opposite end would be 5’ end of the mRNA

Question 4

how to tell which end of the mRNA is where

Answer 4

• nucleotide is added at 3’OH end of the polymer
  and they grow from the DNA…
• so 3’ is the end attached to DNA