ANSWERS
A cell will swell when it is places in a(n)...
A. Hypotonic solution
B. Isotonic solution
C. Hypertonic solution
D. None of the above - -A.
-A protein that detects a signal molecule and performs an action in response is called a...
A. Ligand
B. Receptor
C. Proton
D. Vesicle - -B.
-A solution that is hypotonic to a cell has...
A. More spouted than the cell
B. The same concentration of solutes as the cell
C. Too many solutes
D. Fewer solutes than the cell - -D.
-As a result of diffusion, the concentration of many types of substances...
A. Eventually becomes balanced on both sides of a membrane
B. Always remains greater inside a membrane
C. Becomes imbalanced on both sides of a membrane
D. Always remains greater outside of a membrane - -A.
-Both active transport and facilitated diffusion involve...
A. ATP
B. Movement against a concentration gradient
C. Carrier proteins
D. All of the above - -C.
-I'm eukaryotic cells, chromosomes are found in...
A. Golgi apparatus
B. Mitochondria
C. ER
D. Nucleus - -D.
-Ions move through ion channels by...
A. Endocytosis
B. Diffusion
C. Active transport
D. Passive transport - -D.
-Molecules that are too large to be moved across a cells' membrane can be removed from the cells by...
, A. Endocytosis
B. Exocytosis
C. Diffusion
D. Osmosis - -B.
-One difference between prokaryotes and eukaryotes is that...
A. Golgi vesicles are found only in prokaryotes
B. Prokaryotes do not have a nucleus
C. Nucleus acids are found only in prokaryotes
D. Mitochondria are found I lather quantities in eukaryotes - -B.
-Osmosis is a type of...
A. Facilitated diffusion
B. Passive transport
C. Active transport
D. Endocytosis - -B.
-Proteins and polysaccharides that are too large to move into a cell through diffusion or active transport
move in by...
A. The sodium-potassium pump
B. Endocytosis
C. Exocytosis
D. None of the above - -B.
-Proteins involved in facilitated diffusion are...
A. Carrier proteins
B. Receptor proteins
C. Both (a) and (b)
D. None of the above - -A.
-Proteins that act like selective passageways in the cell membrane are known as...
A. Marker proteins
B. Receptor proteins
C. Channel proteins
D. None of the above - -C.
-Ridding the cell of materials by discharging the materials in vesicles is called...
A. Exocytosis
B. Diffusion
C. Osmosis
D. Endocytosis - -A.
-Sugar molecules cross the cell membrane by...
A. Osmosis
B. Gates channels
C. Facilitated diffusion
D. Active transport - -C.