Which of the following amino acids will exist as a + 2 ion at very low pH?
A) arginine
B) glutamic acid
C) isoleucine
D) none of these
A
You might also like to view...
Ash layers from the three most recent caldera-forming eruptions at Yellowstone (2.1, 1.3, and 0.64 million years ago) stretch
A) from Wyoming to Colorado. B) from California to Washington, D.C. C) from one side of Yellowstone National Park to the other. D) from Canada to Mexico.
The fastest seismic wave is a
A) primary wave. B) secondary wave. C) tertiary wave. D) Rayleigh wave.
Assuming that the night will remain clear, calm and unsaturated, the predicted minimum
temperature is 32oF. Suddenly the wind speed increases and remains gusty throughout the night. The minimum temperature will most likely be higher than predicted due to the release of latent heat. Indicate whether the statement is true or false.
To calculate the age of a rock, you need to know the parent-daughter isotope ratio and ________
A) the half-life of a radioactive isotope B) the composition of the parent rock C) the area in which the rock was deposited D) the sequence of depositional events