What is the charge on an amino acid at a pH below its pI?
A) positive
B) neutral
C) negative
D) The charge or lack of charge varies depending on the amino acid.
Correct Answer:
Verified
Q2: How many different dipeptides can be formed
Q3: How many different tripeptides can be formed
Q3: Which amino acid is a basic amino
Q4: Which is the simplest amino acid?
A)serine
B)glutamine
C)cysteine
D)glycine
Q5: What is the N-terminal amino acid in
Q5: The term protein is usually reserved for
Q9: What is the particular sequence of amino
Q10: Which Fischer projections represent naturally-occurring amino acids?
Q12: Which protein stores iron in the liver?
A)ferritin
B)keratin
C)myoglobin
D)collagen
Q21: Which statement about oxytocin and vasopressin is
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