Biochemistry

2 glcnac and 3 man residues	The core of all N-linked oligosaccharides consists of ____
260 nm	DNA absorbs light at a wavelength of:
28	Sigma factor that regulates expression of flagellar genes
3	Translocation of N-linked oligosaccharide intermediates occurs at which step?
32	Sigma factor responsible for heat shock genes
38	Stationary phase Sigma factor
4 =64 =3 bases/amino acid =5'-3', n-c	Genetic code: ____ bases ____ possible codons ____ reading frame ____ reading direction
5' cap	Prevents mRNA degradation & allows translation; linked by 5'-5' triphosphate
54	Sigma factor involved in transcribing nitrogen-regulated genes
70	Primary sigma factor for most genes (housekeeping)
8 =4	UvrABC removes pyrimidine dimers by making two cuts; ___ nucleotides from the 5' end and ___ nucleotides from the 3' end
A	Incoming aminoacyl-tRNA base pairs its anticodon with mRNA codon located in the ___ site of the ribosome
Activation	Synthesis of aminoacyl-tRNAs
Activators =repressors	___________ acetylate histones (loosen chromatin) ___________ de-acetylate histones (tighten chromatin)
Alternative splicing	Allows for diversity of structure and function without duplication of genes, depending on environmental need
Ames test	Test for detection and classification of mutagens and carcinogens
Aminoacyl-trna	Activated intermediate for protein synthesis
Amino-terminal residues	Determines the half-life of cytosolic proteins
Anode (+)	In electrophoresis, phosphate groups move toward what?
Antibodies	Diversity of genes depends on communication between. .
Anticodon loop	Part of tRNA that reacts w/ mRNA
Au	Pause site hit by hairpin loop that signals termination is rich in what base pair?