DNA is composed of four nucleotide bases. Which one of the following is NOT a nucleotide base?
A) thymine
B) adenine
C) histamine
D) cytosine
Correct Answer:
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Q72: Golgi bodies package _ and ship them
Q73: Humans have approximately:
A)20,000 genes.
B)75,000 genes.
C)125,000 genes.
D)175,000 genes.
Q74: The code for the synthesis of proteins
Q75: A chain of amino acids forms a:
A)protein.
B)carboxyl
Q76: Human cells contain:
A)46 chromosomes.
B)23 chromosomes.
C)92 chromosomes.
D)13 chromosomes.
Q78: Some membrane channels can selectively allow in
Q79: Humans utilize _ different amino acids for
Q80: Membrane channels are made up of:
A)phospholipids.
B)proteins.
C)microtubules.
D)carbohydrates.
Q81: _ means having two different alleles for
Q82: Which statement about acquired genetic mutations is
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