According to the semiconservative model of DNA replication, a completely new double helix is produced
A. after the third replication
B. after the first replication
C. after the second replication
D. after the degradation of the helix into nucleotide
E. after many replications

The energy of blowing wind can be harnessed to create electricity. why is wind considered a renewable energy source? a) wind does not cause destruction of the environment.b) wind turns the blades of a windmill that creates electricity.c) wind provides only a very small amount of electricity to the united states.d) wind comes from atmospheric conditions that are available indefinitely.

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.