A experiment in which cancer cells were injected into the vein leading to the liver demonstrated:       Select one: a. Very few cancer cells were trapped in the capillary bed of the liver b.  Many cancer cells were trapped in the capillary bed but most of them were not able to escape the blood into the tissues.   c. Most of the cancer cells were trapped in the capillary bed but only a small percentage formed macrometastases d.  Many cancer cells were trapped in the capillary bed and most of these became macrometastases.

What is true about the membrane of the egg? Select one or more: a. It is semi-permeable which means that proteins, sugars and water can diffuse across the membrane b. It is impermeable which means that proteins, sugars but not water can diffuse across the membrane c. It is permeable, which means that proteins, sugars and water can diffuse across the membrane d. It is semi-permeable which means that water but not proteins or sugars can diffuse across the membrane

You wanted to prepare a fish dish for your grandfather that he loves the dried salted Codfish. But you noticed that this might be causing a problem for your elder grandfather since he has hypertension, what would you do to remove the salt from the fish? (Answer with one word) What is the mechanism by which the salt gets out from the fish? (one word) * Please put a comma and space between the two answers word. Answer: If you made a plant cell drawing and that drawing measured 100 mm, what is the plant cell's magnification that measured 20 um under the microscope? Answer:

The gap junction channel formed by connexin 43 in cardiac muscle has which of the following properties? A. Is highly selective for sodium ions. B. Is opened and closed by a gate on the intracellular side of S4 C. Is non-selective for a wide variety of ions. D. Is opened and closed by positive charges on 54 E. None of the above

Which of the following cell-types are most likely to secrete Matrix Metalloproteases (MMPs) that remodel ECM near tumor (select all that apply)?   A. Carcinoma Cells   B. Mast cells   C. Normal Epithelial Cells   D. Macrophages   E. Fibroblasts

What is the ration of cells in the human body that are human vs non human?  (A) 1/20(B) 1/4 (C) 1/10(D) 1/45

Cancer cells may be more susceptible than normal cells to mitotic catastrophe in response to chemotherapeutic drugs because of which of the following (select all that apply)?   A. They express unique receptors for those drugs on their surface   B. They may be resistant to apoptosis   C. Cancer cells have more efficient DNA repair mechanism than normal cells.   D. Only cancer cells are actively dividing   E. They may lack key G2/M checkpoint controls

What might best explain why the incidence of cancer increases as people age? Select one: a. mutations accumulate as people age b. cell division increases as people age c. protein synthesis increases as people age d. telomerase activity increases as people age e. ATP production increases as people age

You would want to inhibit a patient's coagulation cascode from proceeding in the blood sample for you to perform a complete blood count. Choose the option shouing the correct metal-ligand complex and the corresponding specimen for testing. A. Mg++:EDTA; plasma B. Ca++:EDTA; whole blood C. Ca++:Heparin; serum D. Mg++:Potassium oxalate; whole blood

With regard to cancer cells, which of the following statementsare true?A. Cancer cells are clonal, which means they are derived from asingle mutant cell.B. To become cancerous, cells usually accumulate multiplegenetic changes that eventually result in uncontrolledgrowth.C. Most cancers are caused by oncogenic viruses.D. Cancer cells have lost the ability to properly regulate celldivision.