Which event marks the beginning of dna replication? formation of replication bubble unwinding of dna helix formation of replication fork

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

Nucleic acid certain protein cell membranes certain carbohydrates

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.