Sentence examples for weeks are required from inspiring English sources

Two to three weeks are required to produce grafts after the biopsy is obtained.

Two to three weeks are required for dissociated, embryonic rat neuronal cultures to mature to the point that they regularly produce spontaneous and evoked responses.

Moreover, this method bears the disadvantage of significant donor site morbidity, especially when the great toe has been used, while several weeks are required until neothumb sensation and mobility are restored [2, 4].

The duration of cold exposure to establish these respective responses is different, such that a few days of cold exposure is sufficient to initiate cold acclimation [15], whereas several weeks are required for vernalization [16].

In our early experience implementing this assay in a clinical setting, approximately two to three weeks are required from the time of test requisition until genotyping report finalization.

Acquisition and inoculation periods totaling at least three weeks are required before they are able to transmit virus to new plant hosts [ 12].

An average of two to three weeks is required for an egg to develop into an adult, and there may be up to 10 generations each year.

However, a long fungal pretreatment (3 weeks) was required to achieve high lignin degradation.

A threshold aging period of about one to two weeks was required before virus attenuation began.

However, an additional 2 weeks was required for complete repair of BAp orientation.

Several weeks were required to establish equilibrium, with strikingly different results being obtained for measurements carried out on shorter time scales.