Holt McDougal "Biology" Chapter 8
766326625 | mice injected with S Bacteria & Live R Bacteria died | Summarize how Frederick Griffiths experiments led him to believe in a "Transforming Principle": | 0 | |
766326626 | contain very little phosphorus | Oswald Avery's ability to identify the "transforming principle" as DNA was the fact that proteins do what? | 1 | |
766326627 | It was consistent of with DNA | Chemical analysis of Avery's extracts showed what about the ratio of nitrogen to phosphorus? | 2 | |
766326628 | Bacteriophages were used because they contain little more than DNA and protein. Hershey and Chase were able to isolate each factor to determine which was active. | Summarize Hershey and Chase's experiments and explain why chose to use bacteriophages in their experiments because these viruses: | 3 | |
766326629 | They are named for their nitrogen containing bases | The four types of nucleotides that make up DNA are named for what aspects? | 4 | |
766326630 | A=T C=G | After examining the DNA of different organisms, what did Erwin Chargaff conclude about the four bases? | 5 | |
766326631 | TGGCATA | Which DNA sequence is complementary to the base sequence ACCGTAT? | 6 | |
766326632 | a double helix | Combining the work of other scientists with their own research, Watson and Crick discovered that two strands of DNA join together to form a(n) | 7 | |
766326633 | hydrogen bonds | What holds case pairs together? | 8 | |
766326634 | (genetic) information flows from DNA->RNA->Proteins | What is the central dogma of molecular biology? | 9 | |
766326635 | bring amino acids from the cytoplasm to the ribosomes | The main function of tRNA is to... | 10 | |
766326636 | the DNA strand begins to unwind, separating the two strands | What event occurs directly after RNA polymerase recognizes the transcription start site of a gene? | 11 | |
766326637 | Replication happens once and transcription happens repeatedly throughout the cell cycle | What is the primary difference between replication and transcription? | 12 | |
766326638 | codon | What is the term for a three-nucleotide sequence that codes for an amino acid? | 13 | |
766326639 | 20 amino acids | How many amino acids are used to make up all of the proteins in the human body? | 14 | |
766326640 | a start codon | a tRNA that carries the amino acid methinine and pairs with which type of codon? | 15 | |
766326641 | the process that converts or translates, an mRNA message into a polypeptide | Translation | 16 | |
766326642 | translation takes place in the cytoplasm | What is the site of translation? | 17 | |
766326643 | When lactose is present in the environment or with the lac repressor | When is bacterial lac operon switched on? | 18 | |
766326644 | Introns | What is the term for the nucleotide sequence that are removed during mRNA processing? | 19 | |
766326645 | it tells the RNA polymerse where to start | What is the main function of a promoter? | 20 | |
766326646 | Replication | Generally, mutation that affect a single gene occur during which process? | 21 | |
766326647 | a frameshift mutation | Deletion of a nucleotide? (type of mutation) | 22 | |
766326648 | Some substitutions | Which type of mutation has no effect on phenotype? | 23 | |
766326649 | germ (sex cell) | Mutations that can affect the offspring of an organism occur in what cell type? | 24 | |
766326650 | Ultraviolet rays, industrial chemicals, and various drugs | List some mutagens: | 25 | |
766326651 | Oswald Avery | Which sciencetist conducted tests on extracts made of bacteria to show that the genetic material in bacteria is in DNA? | 26 | |
766326652 | They have different bases | The main difference between the four nucleotides that make up DNA is? | 27 | |
766326653 | Watson and Crick | Which scientists figured out the three-dimensional structure of DNA by using a model of metal and wood? | 28 | |
766326654 | In the nucleus | In humans, where does DNA replication take place? | 29 | |
766326655 | to bind nucleotides together | During replication, the function of the enzyme DNA polymerase is? | 30 | |
766326656 | It delivers DNA's instructions for making polypeptides | What does messenger RNA do? | 31 | |
766326657 | 2 amino acids | How many frames do you read at a time with mRNA | 32 | |
766326658 | In the nucleus | Where is messenger RNA "edited" into its final form? | 33 | |
766326659 | exons | What is the term for the sections of messenger RNA that are spliced together during processing? | 34 | |
766326660 | lactose | In bacteria, what binds with the repressor to activate the lac operon? | 35 |