Review how a sephadex column separates and purifies proteins in the introduction to this lab. a protein found in the impure gfp and bfp mixtures has a mw of 125,000 da, which is larger than the mw of gfp or bfp. would you expect this other protein to be eluted from the column before or after the gfp or bfp? explain your reasoning

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

What organ is the first to receive nutrients that have been absorbed from the digestive tract?

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area