New cells are only made when and where they are needed.Sometimes the new cells grow and the old cells don't die. Participates in the formation of new cells ; Replaces the new cells from old and old cells. . The old cells die and the new cells are born.Combinations with other parts of speech
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The gut appears to make many new cells, for example. 举个例子说,正常健康的乳腺组织细胞的平均寿命大约是10天,然后新的细胞 被复制出来。 For example, normal healthy breast tissue cells have an average life span of about 10 days, after which the reproduce and a new cell is formed. 为了做到这一点,我们有干细胞去负责产生新的细胞 ,对那些死亡的进行补充和更新。 To do this, we have to take charge of stem cells produce new cells for death for those supplemented and updated. 如果我们无法再补充和替换新的细胞 ,那么就会导致退化性疾病。 If we can't actually replenish and replace new cells , then that's going to lead to degenerative diseases.”. 这使它成为一个伟大的去角质,因为它可以帮助去除皮肤表面上的死皮细胞,从而允许新的细胞 生产。 This makes it a great exfoliator as it can help remove dead skin cells on the skin's surface, thus allowing new cell production. 人体最大的器官在不断增加新的细胞 ,所以我们确保过程燃用正确的营养是必不可少的。 The body's largest organ is constantly growing new cells , so it's essential we ensure that process is fuelled with the right nutrients. 大多数神经细胞无法分裂产生新的细胞 ,因此一旦神经细胞死亡就没有其它细胞可以替代。 Most neurons cannot divide to form new cells , so there is no way to replace them if they die. 举个例子说,正常健康的乳腺组织细胞的平均寿命大约是10天,然后新的细胞 被复制出来。 For example, normal healthy breast tissue cells have an average life span of about 10 days, after that a new cell is replicated and formed. 大脑能够在任何年龄产生新的 脑细胞 ,因此显着的记忆丧失并不是衰老的必然结果。 Because the brain can produce new cells at any age, significant memory loss is not an inevitable result of ageing. 最终,DNA合成停止,细胞不能继续分裂从而不能形成新的细胞 。 Once the DNA synthesis stops, the cell cannot continue to divide and no new cell is formed. 但是当一个细胞的DNA被破坏并变成癌细胞时,细胞就会继续分裂-即使不需要新的细胞 。 But when a cell is damaged and becomes cancerous, cells continue to divide- even when new cells are not needed. 我们有两个小组同时进行工作一个小组是化学方面的另一个小组尝试移植整个染色体到新的细胞 . We had two teams working in parallel: one team on the chemistry, and the other on trying to be able to transplant entire chromosomes to get new cells . 通过去除自由基,皮肤将能够产生新的细胞 并摆脱死皮细胞。 By removing free radicals, the skin will be able to produce new cells and get rid of dead skin cells. . 患有某些血液或免疫系统疾病(如白血病)的人需要新鲜的造血干细胞来制造新的细胞 。 People with certain diseases of the blood or immune system- such as leukemia- need fresh supplies of HSCs to make new cells . 当细胞分裂成两个新的细胞时,它就需要准确地分配染色体,否则,新的细胞 就可能具有错误的染色体数目。 A cell needs to share chromosomes accurately when it divides otherwise the two new cells can end up with the wrong number of chromosomes. 但是当一个细胞的DNA被破坏并变成癌细胞时,细胞就会继续分裂-即使不需要新的细胞 。 However when a cell's DNA is broken and becomes cancerous, cells still divide- even if new cells aren't needed.但是当一个细胞的DNA被破坏并变成癌细胞时,细胞就会继续分裂-即使不需要新的细胞 。 When a cell's DNA is damaged and becomes cancerous, cells continue to divide- even when new cells aren't needed. 作为一个正常的身体修复系统,干细胞有助于制造新的细胞 ,代替死亡或受损的细胞。 Being a normal repair system of the body the stem cells help to make new cells which will replace those that die or become damaged. 当将其插入到一个缺乏自身基因物质的宿主细菌中时,细菌就能够成功的产生新的细胞 。 When inserted into a host bacterium lacking its own genetic material, the bacterium was able to successfully produce new cells . 新的细胞 不能识别它们新的生存环境,对她的身体进行了攻击。The new cells didn't recognize their new environment and attacked her body.一旦来源被确认,不管其来源如何,研究者将用其来寻求研制新的细胞 治疗方法。 When they are identified, regardless of their sources, researchers will use them to pursue the development of new cell therapies. 没有抗体保护的细胞会死亡,仅留下受到抗体保护的细胞存活下来和增殖,从而将保护性的基因传递到新的细胞 。 Cells without antibody protection die off, leaving protected cells to survive and multiply,and pass along the protective gene to new cells .
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