If a solution has a pH of 2, how does its H+ ion concentration compare to a solution with a pH of 4?
A) It is 2 times higher.
B) It is 10 times higher.
C) It is 100 times higher.
D) It is 1000 times higher.
C
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Discuss the concept and consequences of built-in redundancy as it applies to amino acid sequences, and include an example
What will be an ideal response?
If a fossil is that of an animal that walked on
all four legs, which of the following would be the defining feature?
a. an S-shaped backbone b. narrow pelvis c. long pelvis d. opening located at rear of its skull e. a small brain
Transposons can cause mutations by
A.) replacing specific nucleotides in the original DNA.
B.) "jumping" into a gene and disrupting its function.
C.) inducing uncontrolled binary fission.
D.) None of the above - transposons cannot cause mutations.
Carbon dioxide is the source of the electron that replace those lost by chloroplyll a in the photosystems
a. true b. false