Because of base pairing in DNA, the percentage of — F adenine molecules in DNA is about equal to the percentage of guanine molecules G adenine-thymine pairs in DNA is much greater than the percentage of cytosine-guanine pairs H adenine and guanine in DNA is about equal to the percentage of thymine and cytosine cytosine molecules in DNA is much greater than the percentage of guanine molecules

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes

Can a trait be both polygenic and have multiple alleles? explain why or why not.