Semi-conservative replication of dna refers to
the idea that (3.3)
a. dna molecules need to unwind before
replication begins
b. each new dna molecule contains two new
single rna strands
c. two strands of dna molecules run in
opposite directions
d. each half of the original dna molecule is
joined with a new complimentary strand

What do science, technology, and disease have to do with each other?

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays