Identify the trait that is NOT characteristic of the antifreeze protein of polar-dwelling fish
a. beta pleated sheet structure
b. allows freezing to an ultrafine slush
c. contains 37 amino acids
d. ice binding probably by polar amino acids
e. protein now produced by genetically engineered yeast
A
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One portion of the cell theory states that ____
a. all cells have a nucleus b. all cells divide by meiosis c. all living organisms are made up of one or more cells d. cells arise through spontaneous generation e. growth is solely the result of cell division
Mutations can be
a. random. b. beneficial. c. lethal. d. heritable. e. all of these.
Alejandro Bonifacio is interested in studying which
of the following as a nutritious alternative to many grain crops? a. rice b. wheat c. spinach d. quinoa e. all of these
What situation would be most similar to the greenhouse effect?
A) heating up the air inside a car by parking it in the sun B) warming the air for a hot-air balloon with a propane burner C) burning kerosene in a heater to warm up the air inside a cold house D) growing plants in your office to reduce indoor air pollution