Explain how the surface area and volume of cells affect the rate of exchange of materials in and out of cells in multicellular organisms.

How many genes do we share with our mother?

How is the nervous system able to respond to changes in the environment so quickly?

Body cells include nerve cells and muscle cells. Each makes a number of different proteins. For example, nerve cells make cholinesterase and muscle cells make myosin.

To increase chances for a successful organ transplant, the person receiving the organ should be given special medications. the purpose of these medications is to

When describing a community, a biologist would discuss A. every population that lives together in an area. B. biome that exists in the biosphere. C. every organism that can produce offspring together. D. every ecosystem that is part of a biome.

How do substances change after chemical reaction? A. they change phase B. their atoms are rearranged C. their atoms lose electrons D. they lose mass

What types of cells are produced in process for females? for males?

What type of frog can u dissect?

Which is NOT an example of climate change mitigation? * a) Improving energy efficiency. b) Preserving forests. c) Using more gas-powered vehicles. d) Recovering landfill gases. e) Protecting soil quality.

You perform a ligation with NcoI/NotI-digested pET-41a vector and the egfp insert from pEGFP-N1 (as in the lab). You then transform the ligation mix into E. coli and plate on LB medium containing kanamycin.