Herbicides are chemicals used to kill or inhibit the growth

What is an amplicon O Target ds DNA none of these ss DNA Target ss viral RNA

een pr you com Practice Pedigrees mine the inheritance patern of each of the following pedigrees Then label the genotypes of each individual in the pedigrees

Why wouldn t you expect to see growth of the control cells without the plasmid on the LB agar containing ampicillin 2 correct answers must be selected to receive credit Multiple answers Multiple answers are accepted for this question Select one or more answers and submit For keyboard navigation SHOW MORE a The cells contain the pGREEN plasmid b The cells are killed by the ampicillin in the agar U The cells lack the pGREEN plasmid Land Shiding the heat shock step

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Please define metabolism enzymes and activation energy What effect do enzymes have on activation energy

For what reasons are lentiviruses attractive vectors for gene therapy Choose one or more OA They are capable of entering and inserting genes into a nondividing cell OB They can be targeted to many different tissues OC They deliver genes that become stably integrated and expressed in the host genome OD They are unrelated to natural human pathogens O E They have a low likelihood of activating oncogenes

Determine whether the bacteria tested using motility test agar are motile or non motile based on your observation of your results Proteus mirabilis motile Enterobacter aerogenes motile

Shallow water lobe fins from the Devonian has which of the following anatomical features Ostrong limb skeletons O lungs fleshy fine

What is the instrument used for cell counting called O Barometer O Countingmeter O Thermometer

When E coli is placed in a medium containing both glucose and lactose why does cell growth stop temporarily when the glucose is used up Once glucose is depleted the cell must use the lactose before it can do this it must express the lac operon and synthesize the enzymes needed to use lactose which takes time Glucose is the preferred medium of the cells when it is available they grow extremely fast and this depletes all the energy in the cell which must be replaced before it can use lactose The presence of glucose denatures the lactose in the medium once the glucose is depleted the lactose has to regain its original shape before the cells can use it Once glucose is depleted the cell must use the lactose before it can do this it must express the lac operon it can only do this if the culture medium is placed in the dark at 22 C Once lactose is depleted the cell must use the glucose before it can do this it must express the lac operon and synthesize the enzymes needed to use lactose which takes time