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Biology- DNA chpt 12
10th grade honors biology DNA flashcards
| Question | Answer |
|---|---|
| Describe nucleotide in RNA | Ribose + Phosphate group + A, U, G, or C |
| Describe nucleotide in DNA | Deoxyribose + phosphate group + A, T, C or G |
| What is bacteria transformed by? | DNA |
| Define Point mutation | a mutation that involves one or few nucleotides |
| Define DNA Replication | when DNA is copied |
| What is a promoter? | a binding site for RNA polymerase |
| What does a lac eperon control in E. Coli? | break down of lactose |
| What makes RNA different from DNA? | uracil |
| Which RNA are copied from DNA? | Messanger, Transfer and Ribisomal |
| Create a complimentart strand of DNA from: GATCCAT | CTAGGTA |
| What is the rule of base pairing? | Pyrimidines= purines |
| If 32P and 35S were found in an expieremtn what would that mean? | both protein and DNA were injected into the bacteria |
| Describe how the lac repressor turns off the lac gene? | binds to the operator |
| What is polymerase? | the princible enzyme that starts replication |
| What do DNA and RNA have in common? | A, C, and G and phosphate groups |
| If a specific kind of protein is not continuously used by a cell what does the gene for that protein do? | It turns on and off at different times |
| Describe the components of a Chromosome | DNA molecules, histones,a nd nucleosomes |
| list the gene mutations | Point mutations and frame shift |
| list the chromosomal mutations | deletion, insertion, translocation and inverson |
| Which type of RNA are involved in protein synthesis? | tRNA mRNA and rRNA |
| What does gene regulations in eukaryotic cells allow for? | cell specialization |
| what do hox genes determine? | Location of body parts |
| What is the goal of transcription? | make RNA |
| what is the goal of translation? | making proteins |
| Describe a codon | made of three nitrogen bases |
| How many codons are needed to specify an amino acid? | one |
| What do proteins that attract RNA polymerase bind to? | Enhancer sequences in DNA |
| What does a stop codon lack? | An amino acid |
| What is needed for the lac repressor to release the operator? | lactose |
| If a point mutation makes an incomplete polypeptide, what can you conclude about the mutation? | That the mutation created an incorrect stop code and the protein is incorrect |
| What is the name of the proteins contained in chromatin? | histones |
Created by:
taylerrhea3
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