DNA ligases are enzymes that

A) Catalizes the addition of new nucleotides on 5' -3' strands of DNA.
B) Catalizes the addition of new nucleotides on 3' -5 strands of DNA to continuous strand.
C) Catalyses the breaking of hydrogen bonds between base pairs in the DNA.
D) Catalyses the rewinding of the two DNA molecules after replication.


Answer: B) Catalizes the addition of new nucleotides on 3' -5 strands of DNA to continuous strand.

Biology & Microbiology

You might also like to view...

Fat absorbed by the small intestine enters the lymphatic system.

Answer the following statement true (T) or false (F)

Biology & Microbiology

To maintain a balanced water cycle, what needs to occur?

a. irrigation for agriculture must stop b. water withdrawals cannot exceed replenishment c. per-capita consumption must decrease d. per-capita consumption must increase e. water withdrawals must exceed replenishment

Biology & Microbiology

What organelle inactivates toxins?

a. nucleus b. mitochondria c. peroxisomes d. lysosomes e. Golgi body

Biology & Microbiology

Which of the following cells is NOT infected by HIV?

A. helper T cells B. microglia C. B lymphocytes D. macrophages E. dendritic cells

Biology & Microbiology