Cohesion and Clarity
12- 23
Activity 6
Remove any unnecessary words from the phrases in bold, or replace the phrases with shorter phrases:
1. Although strong formal proof of this hypothesis has not been published at this time , the observation that inhibiting bone remodeling diminishes tumor growth in bone is supportive of this possibility. (From Keller et al., 2002)
2. The mechanism accounting for this tissue selectivity has received a great deal of attention in the cancer research field. (From Keller et al., 2002)
3. Moreover, immunohistochemical staining showed that BTAK/Aurora-A is expressed in a preferential way in tumors that are less invasive and declines once a tumor becomes invasive. (From Gritsko et al., 2003)
4. Therefore, it is possible that activation and overexpression of BTAK/Aurora-A protein kinase may be early changes and play an important role in the development of a subset of human ovarian cancers. (From Gritsko et al., 2003)
5. Regardless of the organ being targeted , the complexity of the cascade of metastasis suggests that there are many factors that control the ability of a cancer cell to reach where it wants to go. (From Keller et al., 2002)
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