Which of the following statements about the basic structural features of dna are true? select all true statements. select all true statements. the major and minor grooves prevent dna binding proteins from making contact with nucleotides. in a dna macromolecule, the two strands are complementary and antiparallel. the twisting of the dna double helix is attributed to the tight packing of dna bases and base-stacking. the major and minor grooves form in the dna helix because the dna strands are antiparallel.

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

What characteristic make legumes a good food source for food insecure populations

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time