While hiking with a friend in New York state, you discover marine fossils in sedimentary strata at high elevations. What is the most logical explanation for their presence?

CDKs are important in the regulation of the cell cycle. They carry out their function by: a. adding phosphate groups to target proteins. b. removing phosphate groups from target proteins. c.

Explain why scientific methods are important and why there is not one establish way to conduct an investigation

If a person increases their daily intake of vitamin C, they will have fewer colds during the year. What is the independent variable? Dependent variable? What are the controls in the experiment?

Which structure is found in all eukaryotic cells? A.) chloroplast B.) mitochondria C.) cell wall D.) pili

Which of the following frequently imposes a limit on cell size? A) the absence of a nucleus B) the number of mitochondria in the cytoplasm C) ratios of surface area to volume D) the volume of the endomembrane system

Punnett square f1 and f2 generations definition

Explain two ways in which plant-eating animals, such as cows, depend on water

Under what conditions would a molecule need to be actively transported across a membrane?

which statements describe the process of scientific inquiry? check all that apply. a. scientific inquiry is used only by scientists. b. scientific inquiry is a process of asking and answering questions. c.

What fraction of the fossil fuel emissions in the United States could be absorbed by converting 25% of agricultural land in the U. S. ro native forests?