___ seals a nick in a strand of DNA by creating a sugar phosphate bond between the adjacent, disjointed nucleotides.
A. DNAse
B. DNA ligase
C. Restriction endonuclease
D. EcoRI
E. A and C
Ans: B. DNA ligase
Biology & Microbiology
You might also like to view...
The site for ATP synthesis in bacterial cells is the ________.
A. cell wall B. ribosome C. cell membrane D. microcompartment E. mitochondrion
Biology & Microbiology
When an ant tends an aphid, it would be benefiting the aphid by removing honeydew from the aphids
anus, and benefiting from obtaining carbon.
Indicate whether the statement is true or false.
Biology & Microbiology
Which is the principle waste product if the body has excess amino acids?
a. Ammonia b. Nitrogen c. Urea d. Carbon dioxide
Biology & Microbiology
Which of the following do NOT include parasites?
a. flatworms b. roundworms c. rotifers d. cnidarians e. rotifers and cnidarians
Biology & Microbiology