When cells divide or multiply, the dna must be copied, or replicated. all known organisms replicate their dna by a method known as semi-conservative replication, in which each of the two strands of the parent dna becomes part of the daughter dna?

Some technological solutions to problems like global warming meet the specific needs and situations of local communities. an example from india involves converting the solid waste from cattle into clean-burning fuel for cooking. this reduces the amount of greenhouse gases, specifically methane and carbon dioxide, released into the environment from wood fires. when evaluating the feasibility of implementing this solution, computer models are used to weigh costs against benefits. what factor is least likely to impact the decision on adopting this technology?

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

Each member of a class sampled a piece of ptc testing paper. thirty people sampled the chemical. twenty persons were tasters. how many had heterozygous genes? 10 20 0-20 indeterminate