Which of the following amino acids has the highest pI?
A) arginine
B) cysteine
C) glycine
D) glutamic acid
A
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One of Edwin Hubble's discoveries is that the known universe is expanding. This means that
A) most all observable galaxies are moving away from each other. B) light rays bend as they near the event horizon of a black hole. C) light rays undergo acceleration as they travel vast distances. D) the mass of the universe is slowly dissipating.
Melting permafrost might accelerate climate change because
A. carbon dioxide is trapped as water melts. B. polar bears and other arctic species rely on permafrost. C. sea levels will rise. D. methane gas stored in the frozen ground will be released. E. coral reefs rely on methane.
In meteorology, the term thermal belt refers to the extreme heat sometimes found inside a car. Indicate whether the statement is true or false
How does development conflict with cultural practices in West Africa?
What will be an ideal response?