After the initial attachment step, A. tumefaciens produces a network of ________fibrils that bind the bacterium tightly to the plant cell surface. 

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#Question id: 18695

#SCPH01 Biochemistry

Which of these restriction enzymes produce blunt ends?

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#Question id: 3555

#SCPH12 I Genetics

In watermelons, bitter fruit (B) is dominant over sweet fruit (b), and yellow spots (S) are dominant over no spots (s). The genes for these two characteristics assort independently. A homozygous plant that has bitter fruit and yellow spots is crossed with a homozygous plant that has sweet fruit and no spots. If an F1 plant is cross with the heterozygous for bitter and no spots, what phenotypes ratio are expected in the offspring?

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#Question id: 10511

#SCPH05 I Biotechnology

Which type of pumps inhibits digitoxin in the membranes of heart cells, leading to increased myocardial contraction?

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#Question id: 13046

#SCPH01 Biochemistry

Aminopetrin inhibits :

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#Question id: 5059

#SCPH01 Biochemistry

The responding tissue has already been specified and needs only an environment that allows the expression of these traits, process called as