According to the controlled substances act, heroin and lsd have a high potential for abuse and no current accepted medical uses. for this reason, heroin and lsd are identified under what classification?

a) schedule i
b) schedule ii
c) schedule iii
d) schedule iv

What materials must dams have to produce electricity, and what must occur?

Select the correct answer from each drop-down menu. the lac operon in e.coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .

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.