Which toWhich important property of DNA did Friedrich Miescher discover? It is made partly of sugar molecules. It has a double-helix structure. It is three-dimensional. It is found in the nucleus of a cell. I did Maurice Wilkins use when studying DNA? electron microscope X-ray machine spectrometer digital camera

What was carolus linnaeus' classification system of organisms based on? a. physical characteristics of organisms b. food habits of organisms c. habitat of organisms d. size of organisms

Which of the following are causes of coastal erosion? check all that apply. beach grasses and other plants trap windblown sand. wave action carves away the coastline. groundwater under pressure is forced to earth’s surface. artificial structures stop the natural flow of sand along the coast. underground caves collapse as bedrock is dissolved.

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?