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Completion
Complete each sentence or statement.
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1. |
In eukaryotes, gene expression is related to the coiling and uncoiling of ____________________.
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2. |
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. |
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. |
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. |
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. |
According to base-pairing rules, adenine pairs with ____________________ and guanine pairs with ____________________.
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7. |
The enzyme that is responsible for replicating molecules of DNA by attaching complementary bases in the correct sequence is ____________________.
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8. |
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. |
The process by which DNA copies itself is called ____________________.
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10. |
Molecules of ____________________ carry instructions for protein synthesis from the nucleus to the cytoplasm.
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11. |
The nitrogen-containing base that is found only in RNA is ____________________.
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12. |
The enzyme responsible for making RNA is called ____________________.
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13. |
The form of ribonucleic acid that carries genetic information from the DNA to the ribosomes is ____________________.
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14. |
A ____________________ is a sequence of DNA at the beginning of a gene that signals RNA polymerase to begin transcription.
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15. |
Messenger RNA is produced during the process of ____________________.
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16. |
Of the 64 codons of mRNA, 61 code for ____________________, 3 are ____________________ signals, and one is a ____________________ signal.
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17. |
Nucleotide sequences of tRNA that are complementary to codons on mRNA are called ____________________.
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18. |
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. |
The information contained in a molecule of messenger RNA is used to make protein during the process of ____________________.
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20. |
During translation, amino acids are brought to the ribosomes by molecules of ____________________.
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