Transcription
What is the TATA box called in prokaryotes and where is it located?
Pribnow Box at -10
Translation takes mRNA and turns it into...
a protein
A chromosome with 2 centromeres is called...
dicentric
Trisomy 21 is known as...
Down Syndrome
A bacterial strain that has a nutritional requirement is called...
auxotrophic
What has to leave the RNA polymerase holoenzyme for transcription to begin?
Sigma Factor
What enzyme charges a tRNA?
aminoacyl synthetase
Two breaks in the same chromosome can lead immediately to what 2 things?
inversion and deletion
XO denotes what syndrome?
Sexual process by which a phage transfers DNA is called...
transduction
Transcribed DNA is usually
Euchromatic
The consensus sequence for prokaryotes in translation is called...
Shine-Delegarno Sequence
The occurrence in the phenotype of a recessive trait, although only one copy of the recessive allele is present, is called...
pseudo-dominance
Jacobs Syndrome is trisomy of what chromosome?
18
A bacterial cell with the F+ phenotype...
A. Can donate the F factor during conjugation
B. Is an HFR cell
C. Both
In self splicing, RNA acts like a
ribozyme
What kind of tRNA recognizes the start codon in prokaryotes?
N-formal methionine tRNA
What structure is usually visible in a reciprocal translocation heterozygote?
Cross-shaped/cruciform
What causes aneuploidy?
Nondisjunction during meiosis.
Explain the relationship between F+ and Hfr.
Hfr can be F+ but F+ cannot be Hfr.
What is the forbidden transfer of information in the central dogma?
protein --> RNA
What are the three stop codons?
UAA
UAG
UGA
What happens to the chromosomes during reciprocal translocation?
Two non-homologous chromosomes exchange segments.
What factor is related to the change a mother has a child with Down Syndrome?
Age.
How is distance measured when mapping a bacterial genome?
Minutes