DNA polymerase
a. is an enzyme.
b. adds new sugars to a strand.
c. proofreads RNA strands to see that they are correct.
d. unwinds the DNA molecule during repair.
e. is made of uracil.
A
You might also like to view...
What is the correct order of transcriptional events occurring after RNA polymerase binds to the promoter?
A. start of RNA synthesis, open complex formation, closed complex formation, promoter clearance B. closed complex formation, open complex formation, promoter clearance, start of RNA synthesis C. closed complex formation, open complex formation, start of RNA synthesis, promoter clearance D. open complex formation, closed complex formation, start of RNA synthesis, promoter clearance E. open complex formation, closed complex formation, promoter clearance, start of RNA synthesis
Because the thermocline is permanent in tropical oceans, little vertical mixing occurs, resulting in low productivity
Indicate whether the statement is true or false
Amino acids are joined together in a chain by ____________________ bonds. Fill in the blank(s) with the appropriate word(s)
In an unstimulated neuron, the sodium-potassium pump maintains the concentration gradient of sodium and potassium ions by transporting
A) potassium ions out of and sodium ions into the cell. B) sodium and potassium into the cell. C) sodium and potassium out of the cell. D) sodium and potassium ions in both directions across the cell membrane. E) potassium ions into and sodium ions out of the cell.