-Molecular Genetics- Word Scramble
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| Question | Answer |
| Wave lengths in the electromagnetic spectrum that are mutagenic are absorbed by | DNA. |
| Which of the following DNA base sequences is complementary to this base sequence: ACGGATTAG | TGCCTAATC |
| Which of the following would represent a mutation? | a change in the base sequence of DNA. |
| A change in which of the following would result in a mutation? | all of the above |
| The production of a protein from mRNA is called ______. | translation. |
| Which of the following does NOT occur in DNA replication? The original double helix | degenerate |
| The role of mRNA is to: | carry the genetic instructions to the cytoplasm. |
| Transcription refers to | mRNA synthesis from DNA. |
| Which of the following molecules has an amino acid attached to it? | tRNA |
| Codons may | do all of the above. |
| When a DNA molecule replicates, the resulting DNA molecules are correctly described by which of the following? | Each new DNA molecule contains one old strand and one new strand. |
| How many amino acids are coded for in this mRNA sequence: GGUACCUUUACU | 4 |
| Thirty percent of the bases in DNA extracted from a prokaryotic cell is adenine. What percentage of cytosine is present in this DNA? | 20 |
| Which of the following is the role of the structural genes in an inducible enzyme system? | to code for proteins that metabolize an inducer substance |
| Substances that cause cells to increase production of an enzyme (or group of enzymes ) are know as | inducers |
| An operon is most closely associated with | transcription |
| ________________ are organic molecules that have the function of starting and regulating chemical reactions. | enzymes |
| Amino acids are the building blocks of: | proteins |
| There are ________ different kinds of amino acids. | 20 |
| he largest molecules in our bodies are: | nucleic acids |
| Which of the following statements is true? | DNA molecules are in the shape of a double helix. |
| The human body is composed mostly of: | oxygen, nitrogen, hydrogen, and carbon |
| Which of the following statements is true about DNA? | At the beginning of protein synthesis, a section of a DNA molecule unwinds and unzips. |
| Which of the following occurs at the ribosomes? | Proteins are produced there. |
| Each tRNA anticodon has three bases. The three base combinations are codes for attracting specific kinds of: | amino acids. |
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lydiajanetaylor
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