Quando as membranas plasmáticas são congeladas a temperaturas muito baixas, tendem a fraturar pelo meio da bicamada lipídica quando sujeitas a stresse mecânico. Explique este facto, tendo em conta a estrutura e constituição das membranas.

surface modification is a versatile tool and has been widely used in material science and engineering that has significantly facilitated the study and characterization of complex materials. at  matexcel, experienced experts in surface science can offer tailored efforts to meet the specific needs from our clients.

a few examples of ethical concerns involving genetically engineering of humans include

-privacy of genetically tested people

- potential side effects

-long term effects

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.