-
Tay-Sachs disease involves a cellular defect in _
lysosomal enzymes
-
Endoplasmic reticulum is best described as a _
network of interconnected membranes.
-
Differentiation seems to result from different _
A.
-
Which of the following is a characteristic of aging cells?
D.
-
Vesicles are formed by an action of the _
cell membrane.
-
Ribosomes are composed largely of protein and
RNA
-
The tendency for cancer cells to have abnormalities in cellular structures is called
anaplasia.
-
The decrease in skeletal muscle size following a prolonged period of inactivity is most closely assosicated with the activity of _
lysososomes.
-
Movement of molecules through a membrane by filtration depends upon the presence of _
hydrostatic pressure.
-
Mitochrondria function to:
B.
-
If a solution outside of a cell contains a greater concentration of dissolve particles than the contents of the cell, the solution is said to be_
hypertonic.
-
Chemotherapy usually makes use of drugs that affect the cancer cell's
DNA molecules
-
Because of mitosis and cytoplasmic division, the resulting cells contain
C.
-
What cellular process requires the greatest expenditure of cellular energy?
active transport
-
A nucleolus is composed largely of _ and _.
RNA, lipid
-
If the concentration of glucose in the water outside of a cell is higher than the concentration inside,
B.
-
Which process involves the use of specific carrier molecules?
Dialysis
-
During the metapahse of mitosis, chromosomes
B.
-
During hemodialysis, if the concentration of glucose in the blood is higher than the concentration of glucose in the dialyzing fluid,
A.
-
Which of the following factors will cuase cancer?
D.
-
Which of the following is isotonic to red blood cells?
A. .9 % NaCl solution
B. distilled water
D. .9 % glucose solution
A
-
Membrane proteins function as
B.
-
Rough ER has _ attached to its surface.
ribosomes
-
The spreading of molecules of ions from a region of higher concentration to lower concentration is
diffusion
-
An organelle that can be described as a fluid-filled membranous sac whose inner lining is folded to form partitions is a
mitochondria
-
Chemically, a cell membrane is composed largely of protein and
lipids
-
Osmosis is a special form of
diffusion
-
Tiny droplets of lipid can pass through a cell membrane by the process called
phenocytosis
-
The organelle that functions to "refine and package" cellular proteins for secretion is the
golgi Apparatus
-
Movement of sodium ions form a region of lower concentration inside a cell toward a region of higher concentration outside of the cell is
active transport
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