________ is the direct migration and penetration of cancer cells into neighboring tissues.
Fill in the blank(s) with the appropriate word(s).
Invasion
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What phase does it occur when sister chromatids become visible and are connected at centromere?
What will be an ideal response?
Different molecular forms of the same gene are
__________. Fill in the blank(s) with the appropriate word(s).
Biochemical tests include all of the following except
A. tests for the presence of specific enzymes. B. antibiotic sensitivity tests. C. ribotyping tests. D. gas production tests. E. sugar fermentation tests.
Skin is sometimes referred to as the largest organ of the body. Why is skin considered to be an organ and not a tissue or some other structure?
A) Skin consists of multiple cell types functioning as a single integrated unit. B) Skin consists of multiple tissue types that cooperate to perform a specific task. C) Skin is a vital component of multiple organ systems. D) Skin consists of a single cell type.