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Completion
Complete each sentence or statement.
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1.
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In eukaryotes, gene expression is related to the coiling and uncoiling of ____________________.
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2.
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A DNA subunit composed of a phosphate group, a five-carbon sugar, and a nitrogen-containing base is called a(n) ____________________.
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3.
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The name of the five-carbon sugar that makes up a part of the backbone of molecules of DNA is ____________________.
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4.
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Knowing the order of the bases in a gene permits scientists to determine the exact order of the amino acids in the expressed ____________________.
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5.
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Due to the strict pairing of nitrogen base pairs in DNA molecules, the two strands are said to be ____________________ to each other.
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6.
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According to base-pairing rules, adenine pairs with ____________________ and guanine pairs with ____________________.
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7.
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The enzyme that is responsible for replicating molecules of DNA by attaching complementary bases in the correct sequence is ____________________.
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8.
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Enzymes called ____________________ are responsible for unwinding the DNA double helix by breaking the hydrogen bonds that hold the complementary strands together.
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9.
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The process by which DNA copies itself is called ____________________.
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10.
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Molecules of ____________________ carry instructions for protein synthesis from the nucleus to the cytoplasm.
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11.
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The nitrogen-containing base that is found only in RNA is ____________________.
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12.
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The enzyme responsible for making RNA is called ____________________.
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13.
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The form of ribonucleic acid that carries genetic information from the DNA to the ribosomes is ____________________.
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14.
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A ____________________ is a sequence of DNA at the beginning of a gene that signals RNA polymerase to begin transcription.
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15.
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Messenger RNA is produced during the process of ____________________.
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16.
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Of the 64 codons of mRNA, 61 code for ____________________, 3 are ____________________ signals, and one is a ____________________ signal.
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17.
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Nucleotide sequences of tRNA that are complementary to codons on mRNA are called ____________________.
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18.
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The sequence of three nucleotides that code for specific amino acids or stop signals in the synthesis of protein is called a(n) ____________________.
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19.
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The information contained in a molecule of messenger RNA is used to make protein during the process of ____________________.
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20.
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During translation, amino acids are brought to the ribosomes by molecules of ____________________.
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