Science Quiz / Bacterial Genetics

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How Well Do You Know Bacterial Genetics?

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Enzyme that carries out DNA replication
Co-expression of multiple genes under the same promoter
Organelle that uses mRNA to direct the synthesis of a polypeptide
Start codon
Structure of DNA deduced by Watson and Crick
Rules that govern genetic translation
Used X-rays to produce evidence of the helical nature of DNA.
New strand that is made in a continuous fashion
Three nucleotide sequence on tRNA that is the complementary sequence to one of the 64 codons of the genetic code
Phage-mediated gene transfer
Region of bases (TATA) that signals the beginning of a gene.
Gene transfer through the sex pilus
Path of information. Central dogma
The enzyme that makes mRNA
Genetic alteration of a cell by incorporation of naked DNA
Incorporation of extrachromosomal DNA into the chromosome.
Three nucleotides unit on mRNA read by the ribosome that codes for a specific amino acid
Term that means one strand of the original is retained in each new DNA molecule
Composed of a sugar, a phosphate group, and an organic base
Type of RNA which brings amino acids to ribosomes during translation.
Where a regulator protein binds in an operon.
His experiment conducted in 1928 described the process of transformation
Cystosine and guanine have this many hydrogen bonds.
Type of RNA which, with ribosomal proteins, make up ribosomes (organelles that translate mRNA)
Mutation which causes change in the reading frame.
Long chains of amino acid subunits
Mutations that generally involve one base pair
Any change in the nucleotide sequence of DNA
Direction of transcription
Pyrimidine base in RNA that replaces Thymine
Small circular extra-chromosomal DNA that is nonessential. It replicates separately from the chromosome and often codes for virulence factors or antibiotic resistance
RNA copy of a gene used in the cell to produce a polypeptide
Thymine and adenine have this many hydrogen bonds.
Fragments used to replicate the lagging strand
New DNA strand that is assembled in segments
Copying process that makes mRNA
Replication begins at specific sites called ________.
Experiment that concluded that DNA is the hereditary material
Stage of gene expression where mRNA is used to direct the production of polypeptides

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