Which of the following is not a characteristic of cancerous cells?
A) immortality
B) contact inhibition
C) unusual shapes and sizes
D) All of the above are characteristics of cancerous cells.
B
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A nucleosome is a combination of _______ and _______
A. histone proteins, scaffold proteins B. RNA, transcription proteins C. DNA, histone proteins D. RNA, histone proteins E. DNA, scaffold proteins
A 30-year-old female complains of frequent and painful urination. A urinalysis is performed, and the results indicate the presence of bacteria in the urine
What problem does this woman have? From an anatomical perspective, explain to the patient why she is more likely to suffer from this disorder than her husband. What sort of treatment would be appropriate?
Which of the following is the best description of an atom's physical structure?
A) An atom is a solid mass of material. B) The particles that form an atom are equidistant from each other. C) Atoms are little bubbles of space with mass concentrated at the center of the bubble. D) Atoms are little bubbles of space with mass concentrated on the outside surface of the bubble.
Diffusion _____
A) is very rapid over long distances B) requires an expenditure of energy by the cell C) is a passive process in which molecules move from a region of higher concentration to a region of lower concentration D) requires integral proteins in the cell membrane