The part of an animal cell that serves as barrier between the cell and its environment is the A. nucleus. B. cytoplasm. C. mitochondria. D. cell membrane.

Why would satellite imagery be more useful than a map in some instances? check all that apply. provides landmarks such as buildings is an overhead view of earth’s features can be used when internet is not available provides small details of roads for digital maps provides various methods of transportation to a location

Match the description of each organism to the appropriate category

Which three substances make up each of the smaller molecules that form proteins