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KIN 223 Ch. 4 Test

Enter the letter for the matching Answer
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1.
Flagellum
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2.
Phosphorylation
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3.
Histones
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4.
Sodium-potassium pump
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5.
Exocytosis
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6.
Facilitated diffusion
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7.
Membrane-bound organelles
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8.
Vesicle
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9.
Interstitial fluid
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10.
Intron
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11.
Endoplasmic reticulum (ER)
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12.
Cilia
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13.
Non-membrane bound organelles
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14.
Electron microscope (EM)
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15.
Autophagy
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16.
Phagocytosis
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17.
Pinocytosis
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18.
Smooth ER
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19.
Osmotic pressure
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20.
Gap junction
A.
Organelles enclosed by a membrane. Ex: ER, Golgi apparatus, lysosomes, peroxisomes, mitochondria
B.
A portion of DNA that lies between two exons; non coding regions in pre-messenger RNA. These are removed during pre-messenger RNA processing
C.
Organelle composed of an extensive network of connected membranes; involved in synthesis, transport, and storage of macromolecules and detoxification of drugs; smooth or rough
D.
A special type of ion pump. Exchange pump.
E.
Segregation a d disposal of damaged organelles within a cell
F.
Process of adding a phosphate group to a molecule
G.
Fluid that surrounds the cell
H.
Organelles not enclosed within a membrane. Generally composed of protein. Ex: ribosomes, centrosome, proteasome, cytoskeleton
I.
Process whereby contents within a vesicle are released from a cell
J.
Uses a beam of electrons to illuminate a specimen stained with heavy metal
K.
Closed cellular structure within the cytoplasm surrounded by a single membrane
L.
Special nuclear proteins that are a part of the nucleosome
M.
Composed of 5 integral proteins that form a tiny, fluid-filled tunnel that extends across a small gap between adjacent cells. Forms a direct passageway for substances to move between neighboring cells.
N.
A form of endocytosis by which cells ingest liquid. Cell drinking.
O.
Pressure exerted by water movement across a membrane as it moves toward an area of lower water concentration
P.
Plasma membrane extensions containing cytoplasm and microtubules that move materials past the cell
Q.
A form of endocytosis by which cells ingest and digest solid substances. Cell eating
R.
Passive transport process using carrier proteins or channel proteins to move a chemical across the plasma membrane
S.
Carries out diverse metabolic processes that vary by cell type. Functions include synthesis, transport, and storage of lipids; carbohydrate metabolism; and detoxification of drugs and poisons.
T.
Whiplike locomotory extension of the plasma membrane; enables a sperm cell to move
Type the Question that corresponds to the displayed Answer.
incorrect
21.
Bulk transport that involves a vesicle. Exocytosis and endocytosis
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22.
Cellular structure housing DNA or a group of cell bodies in the central nervous system
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23.
For cell to cell attachments. Proteins that form membrane junctions
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24.
Division of the cytoplasm during cell division
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25.
An extensive array of membrane bound structures that includes the ER, Golgi apparatus, vesicles, lysosomes, and peroxisomes
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26.
Study of cells
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27.
Ribosomes suspended within the Cytosol
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28.
Organelle composed of protein and rRNA that is the site of protein synthesis
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29.
Random movement of molecules or particles down their concentration gradient
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30.
Freely permeable to some molecules, but relatively non-permeable to other molecules

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