Example sentences of "cells that have " in BNC.
Next page| No | Sentence |
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| 1 | After all , cells that have passed through different bottlenecks may be distinguished by all but the most recent mutations — and this means the majority . |
| 2 | Evidence for the third possibility , cell selection , comes from regrafting cells that have already migrated and begun to differentiate , to the site of neural crest formation in a younger embryo . |
| 3 | Tumour ‘ promoters ’ are substances such as the phorbolesters that are n't carcinogenic by themselves but encourage the growth of malignant tumours in cells that have previously been exposed to a low dose of a true carcinogen ( known as an initiator ) . |
| 4 | CANCER cells are almost by definition cells that have escaped from the controls that govern the behaviour of the individual cells in a multicellular organism . |
| 5 | This fibre-forming process further increases the energy level of the cell , and consequently the field strength between cells that have coupled . |
| 6 | To test this , we marked the boundaries of the exposed mesenchyme immediately after wounding by applying spots of the lipophilic dye DiI , which , once incorporated , remains confined to the cells that have taken it up . |
| 7 | ICAM-1 expression is only seen , however , in cells that have already undergone some degree of activation and therefore the actual initial adhesion event supporting antigen presentation to the antigen receptor may be between LFA-1 and ICAM-3 . |
| 8 | Our results show that a single rearranged TCR- β gene introduced as a transgene can quantitatively convert DN cells to DP cells from DN cells that have accumulated in mice mutant for the recombination activating gene-1 ( RAG-1 ) and increase the total thymocyte number to the normal level . |
| 9 | Therefore , in cells that have no mtDNA ( termed cells ) , the electron-transport chain can not function and the cells can not carry out oxidative phosphorylation . |
| 10 | The single queen stays on the comb , laying eggs in the cells that have been built by the workers to receive them . |
| 11 | I and group all those cells that have divided during that time . |
| 12 | Pool pairs of cells that have divided within a chosen time interval and culture until they attain the appropriate age . |
| 13 | Many of these first algae of the season are released from ice floes ; as the pack ice melts , initially at its northern edge and later across its whole width , diatoms and other algal cells that have been trapped in its interstices are liberated into the sea and soon begin to divide rapidly . |
| 14 | Cells that have a genetic capacity for hardening are stimulated by the environment to produce isoenzymes — alternatives to those normally in production — that change the phospholipid and sterol content of the cell membranes . |
| 15 | The induction of apoptosis by p53 following genotoxic insult may act as a defence mechanism to protect the organism from the propagation of cells that have sustained mutation . |