User: energy moves through the plants and animals in an ecosystem by way of a food chain the sun biogeochemical cycles phytoplankton

The meselson-stahl experiment demonstrated that dna replication is semiconservative. in the figure, semiconservative replication is illustrated by

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?

Select the correct answer from each drop-down menu proteins are