Why are the sterile transgenic salmon of concern for local streams?
A) Transgenic salmon may introduce resistant bacteria to the ecosystem.
B) Transgenic salmon may cause eutrophication of the local streams.
C) Transgenic salmon may spread cancer-causing genes in the fish population.
D) Transgenic salmon may still reproduce with wild species and disrupt the food web.
D
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The very first level of packaging eukaryotic DNA is the:
A. 30-nm chromatin fiber. B. nucleosome. C. beads on a string. D. both the 30-nm chromatin fiber and beads on a string. E. None of the answer options is correct.
In order for a target cell to receive a signal, it must possess a ____ specific to the signaling molecule
a. glycolipid b. glycoprotein c. receptor d. transfer protein e. hormone
Franklin's assignment at Cambridge was to
investigate the structure of a. proteins. b. coal. c. DNA. d. carbohydrates. e. lipids.
A bundle of muscle cells is called a(n) ________
Fill in the blank(s) with correct word