Lithium has an atomic number of and an atomic mass of

When it is summer at the south pole, a. the northern hemisphere is tilted toward the sun. b. the southern hemisphere is tilted away from the sun. c. the northern hemisphere is tilted away from the sun. d. both the southern and northern hemispheres are tilted toward the sun.

Based on the position vs. time graph, which velocity vs. time graph would correspond to the data?

Which statement correctly describes why the dna synthesis is discontinuous on one template strand while continuous on the other? (select all that apply.) a. it is due to the semiconservative nature of dna replication. b. it is due to the nature of the dna polymerase which can only add new nucleotide at the 3' end. c. it is due to difficulty in unwinding the dna template for replication. d. it is due to antiparallel nature of the dna molecule. e. it is due to the fact that the dna polymerase is not active enough.