2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
pBR322 yog 4361 lub hauv paus khub ntev thiab muaj ob hom tshuaj tiv thaiv kab mob - cov noob Bla encoding cov tshuaj ampicillin tsis kam (AmpR) protein, thiab gene tetA encoding cov tetracycline tsis kam (TetR) protein.
Ntawm qhov chaw ntawm pBR322 cov tetracycline resistant noob nyob qhov twg?
- BamH 1 site rau kev txwv enzyme muaj nyob rau ntawm cov noob rau tetracycline tsis kam.
Txoj kev txwv enzyme dab tsi koj yuav siv los txiav cov tetracycline tsis kam gene los ntawm pBR322?
pBR322 muaj cov noob rau tetracycline thiab ampicillin tsis kam enzymes, nrog rau cov chaw uas nws tuaj yeem raug txiav los ntawm kev tshwj xeeb txwv tsis pub endonucleases thiab txuam DNA sequences tso.
Qhov twg ntawm cov kev txwv hauv qab no endonuclease yuav txiav pBR322 plasmid ntawm TetR tetracycline resistance gene?
Kev txwv enzyme BamHI yuav tsum tau siv los ua qhov chaw txwv rau qhov enzyme no nyob hauv cov noob coding rau tetracycline tsis kam.
Vim li cas E coli tiv taus tetracycline?
coli (4, 7), uas qhia tias kev tiv thaiv tau raug xaiv los ntawm cov neeg sawv cev ntawm cov txiaj ntsig E. coli, thaum kho lwm yam kab mob hauv tib neeg lossis tsiaj. Cov kab mob tsis kam mus rau tetracycline feem ntau yog kho los ntawm zog-nyob twj ywm ntawm tetracycline tawm ntawm cov kab mob cell.
Pom zoo:
Vim li cas gene thiaj sib tua quackenbush?
Gene qhia peb tias nws ntaus Quackenbush ua ib txoj hauv kev los tiv thaiv Finny's hwm. Kuv tawm tsam qhov kev sib ntaus sib tua, thawj qhov kev sib ntaus sib tua ntawm kev sib tw ntev, rau Finny. gene ua dab tsi thaum Quackenbush liam?
Doxycycline thiab tetracycline puas zoo ib yam?
Doxycycline yog synthetic (man-made) tshuaj tua kab mob tau los ntawm tetracycline. Doxycycline yog siv rau ntau hom kab mob sib txawv, suav nrog kab mob ua pa vim Hemophilus influenzae, Streptococcus pneumoniae, lossis Mycoplasma pneumoniae.
Puas tetracycline tiv thaiv kev xeeb tub?
Tetracycline tuaj yeem ua rau cov tshuaj tiv thaiv kev yug menyuam tsis zoo. Nug koj tus kws kho mob txog kev siv tshuaj tiv thaiv kev yug menyuam uas tsis yog tshuaj hormonal (condom, diaphragm nrog tshuaj tua kab mob) los tiv thaiv kev xeeb tub.
Tetracycline Puas yuav kho cov hniav abscess?
Cov kab mob ntawm cov pos hniav (periodontitis) sab laug tsis kho tuaj yeem ua rau txhua yam teeb meem xws li cov neeg laus cov hniav poob, cov ntaub so ntswg puas, thiab cov pob txha ntawm lub puab tsaig tsis muaj zog. Nws tuaj yeem kho nrog tshuaj tua kab mob xws li amoxicillin.
Dab tsi yog swamping resistance?
[′swämp·iŋ ri zis·tər] (electronics) Resistor muab tso rau hauv cov emitter lead ntawm transistor circuit kom txo qhov kub ntawm qhov kub ntawmemitter-base junction resistance. Dab tsi yog swamping resistance thiab nws txuas li cas?
