Molecular Genetics Word Scramble
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Question | Answer |
What sets of molecules bond together to form a nucleotide? | Deoxyribose, a nitrogen base, a phosphate group |
What errors that are made during protein synthesis may result? | Mutations. |
What is done during the cell cycle? | DNA is replicated before mitosis begins |
What is it called when an incorrect copy is made in DNA replication? | A mutation |
What does the sequence of nucleotides provide coding for? | Proteins |
What is the process called when two identical DNA strands form? | Replication |
What molecule is the subunit of DNA that links together to form strands of DNA? | A nu |
What form of RNA is responsible for carrying a formed amino acid to the protein assembly site during translation? | Transfer RNA |
The product of DNA in transcription is best described as? | An RNA molecule |
Describe the difference of shapes of DNA and RNA. | DNA is a double helix; RNA is a single helix. |
What is a major difference between DNA replication and DNA transcription? | RNA molecules produced by transcription are much shorter in length than DNA molecules produced by replication. |
What may be a benefit of the overproduction of proteins? | Injury repair may occur more quickly. |
When a molecule of double-stranded DNA undergoes replication, what does it result in? | Two double-stranded DNA molecules, each composed of one new and one old strand. |
What is the process called when codons in mRNA molecules specify the sequence of amino acids in polypeptide chains? | Translation |
Why is it necessary for DNA strands to be held together with relatively weak hydrogen bonds? | So that the DNA strands can separate easily during replication. |
What is the product of RNA translation? | A protein |
What is the role of DNA in heredity? | The DNA that makes up genes must be capable of storing, copying, and passing on the genetic information in a cell. |
What are the chemical parts of DNA? | DNA is a nucleic acid made up of nucleotides joined into long strands or chains by covalent bonds. |
What does the double-helix tell us about DNA? | The double-helix model explains Chargaff's rule of base pairing and how the two strands of DNA are held together. |
The two "backbones" of DNA molecule consist of | Phosphates and sugars |
What two scientists determined the double-helix shape of DNA? | James Watson and Francis Crick |
What are the tips of chromosomes called? | Telomeres |
What is a bacteriophage? | A kind of virus that infects bacteria |
What is transformation? | the process in which one strain of bacteria is changed by gene or genes from another strain of bacteria. |
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