Multiple Choice
A research scientist injects hepatocellular carcinoma cells into the liver parenchyma of an experimental guinea pig. Serial observations show that the tumor cells progressively proliferate and invade the liver parenchyma to form a large mass. After some time, malignant cells begin to penetrate the vascular basement membrane to gain access to the circulation During the process of basement membrane invasion, expression of which of the following substances is most likely to be increased in the tumor cells?
A) Acid hydrolase
B) Alkaline phosphatase
C) Carboxypeptidase
D) E-cadherin
E) Hyaluronic acid
F) Metalloproteinase
Correct Answer:

Verified
Correct Answer:
Verified
Q260: A 61-year-old man arrives at the emergency
Q261: A 55-year-old woman with acute onset renal
Q262: A 67-year-old man presented to the emergency
Q263: A 52-year-old woman comes to the emergency
Q264: A 65-year-old man arrives at the clinic
Q266: A 59-year-old guy arrives at the clinic
Q267: A 33-year-old man comes to the emergency
Q268: A 1-month-old girl is brought to the
Q269: A 55-year-old woman with rheumatoid arthritis comes
Q270: A 76-year-old woman comes to the physician