Answer:
scientific consensus changed as scientists learned more about organisms.
Explanation:
The classification system for organisms has changed from seven levels to eight level of classification system because scientists learned more about organisms. This new learned information allow scientists to change the existing classification system. When the scientist find new species that may have to change classification systems in order to accommodate them and placed them accurately in the classification system.
Answer:
C) tumor is large and at least two lymph nodes are positive for cancer cells.
Explanation
Tumor staging group client according to the extent and spread of the disease using the TNM system. TNM stands for tumor , node, metastasis. In the TNM system T1,T2,T3 and T4 describe tumor size. N0, N1, N2 and N3 describe the lymph node involvement. M0, M1 describes the absence or presence of metastasis.
The tumor clinical stage was given as T3, N2, M0.
This means the tumor is large( T3) and at least two lymph nodes(N2) are positive(M0) for cancer cells.
Answer:
The cell's plasma membrane acts as a protective layer, with receptors that allow for cell communication, and allows certain molecules or proteins that can enter said cell.
Explanation:
<span>b.)The mRNA code determines which tRNA molecules are used.
</span><span>D. Ribsome
</span><span>A. Meothionine, Serine, Glutamine, Tryptophan</span>