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Biology 4-24
| Question | Answer |
|---|---|
| Unlike DNA, RNA contains | Uracil |
| Which of the following is true | RNA is usually single stranded |
| Which type of RNA brings the information in the genetic code from the nucleus to their parts of the cell | mRNA |
| From which molecules are mRNA molecules transcribed | DNA |
| What is produced during transcription | RNA molecule |
| During eukaryotic transcription and rna molecule is formed that is | Complementary to part of one strand of DNA |
| How many nucleotides are needed to specify three amino acids | 9 |
| According to figure 13-3 which code specified the same amino acid as UAU | UAC |
| A promoter is a | Binding site for RNA polymerase |
| What happens during Translation | The cell uses a messenger RNA code to make proteins |
| A protein is being assembled when | RNA is being translated |
| Gene contains instructions for assembling | Proteins |
| What is an exception to the central dogma of molecular biology | Viruses sometimes transfer information to RNA to DNA |
| Which of the following best describes that what happens during gene expression | A cell reads the instructions in DNA and builds a protein based on those instructions |
| In eukaryotes ? | Transcription takes place in the nucleus and translation takes place in the cytoplasm |
| One difference between a gene mutation and a chromosomal mutation is that | A chromosomal mutation can change the number of chromosomes in a cell |
| When a chromosome undergoes a deletion mutation information is | Lost |
| What are some characteristics of polypoidy plants | They tend to be bigger and stronger than diploid plants |
| In E. Cool the lac operon controls the | Breakdown of lactose |
| A lac opressor turns off the expression of the lac genes by | Binding to the operator |
| Which is involved with the regulation of eukaryotic gene | TATA box |
| Which of the following is olives in regulating gene expression in prokaryotes but not in eukaryotes | Operon |
| What regulates the expression of most eukaryotic genes | Transcription factors |
| Iâm figure 13-6 A,B and C are three types of | RNA |
| In RNA ? Is the sugar in the nucleotide | Ribose |
| A eukaryotic gene consists of regulatory regions an ? and the nucleotide sequence is transcribed | Promoter |
| During transcription, ? bonds to DNA and assembles nucleotides into a strand that is complementary | RNA polymerase |
| The order of nitrogenous bases in DNA determines the order of ? In proteins | Amino acid |
| The coding that signals the end of a growing polypeptide is called an ? | Stop codon |
| The tRNA bases called the ? Are complementary to three executive nucleotides on an mRNA molecule | Anti codon |
| Insertions and deletions that change the entire genetic message that comes after the mutation are called | Frameshift mutation |
| Mutant 1 in figure 13-7 is the result of a(n) ? Because part of the chromosomes reversed direction | Inversion |
| The element bromine can cause a genetic change , so bromine is called a ? | Enhancer |
| A mutation in a series of genes called ? Can change the organs that develop in specific parts of an embryo | Hox genes |
| What is molecule B in figure 13-6 and what is itâs function | Molecule B is tRNA which. Carries amino acids to the ribosomes |
| What are three main parts of an RNA nucleotide | Ribosome molecule Phosphate group Nitrogenous vase |
| According to figure 13-2 what coding specify the amino acid glycine | Cgu Cgc gga ggg |
| Within a cell where does translation take place | Translation takes place on ribosomes |
Created by:
Skylarjade