One mutant (cals5-3) alackedckedetectablele callose in its pollen tubes, suggesting it is not essential for their growth or guidance through female tissues.
SM22 colocalizes with α-SMA and may play a role in actin filament remodeling, but it is not essential for SM development and its function still remains unknown [33].
Methionine is present in its reactive site (McGrath et al., 1991b), although it is not essential for ecotin's inhibitory activity against trypsin (Seong et al., 1994).
As in budding yeast, Sir2p is a critical factor for the silencing of the varying genes in P. falciparum and C. glabrata, but it is not essential for the VSGs in T. brucei and its role in P. carinii is unknown [ 11, 35, 40, 49, 56- 58, 76].
Gold is of limited interest to biologists since it is not essential for life.
For this reason, it is of little interest to biologists because it is not essential for life.
It is not essential for land to be left wild to be productive ecologically: agriculture and urban areas can be designed in ways which maintain ecosystems.
A. The tail of the common gray squirrel, Sciurus carolinensis, is a valuable but vulnerable appendage, and luckily for the squirrel, it is not essential for survival.
Finally, remember that, despite what creating passwords for the computer age has taught you, it is not essential for all words to be at least seven characters long and to include at least three characters that are not letters.
The EMBA at IE Business School, ranked second, makes extensive use of distance learning, and face-to-face classes take place in Spain, China and Brazil, so it is not essential for students to be too near at hand.
Having the front-wheel's contact point trailing behind the steering axis is generally a good thing, though it is not essential for stability as Dr Kooijman's team convincingly showed.
