Term
What are the components of the plasma membrane as described by the fluid-mosaic model. |
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Definition
Phospholipids
Proteins
Cholesterol |
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Term
What do glycolipids and glycoproteins have in common? |
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Definition
They have attached carbohydrate chains. |
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Term
The gradual increase or decrease in concentration from one point of concentration to another constitutes a concentration |
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Definition
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Term
Why does active transport require energy? |
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Definition
Molecules are moved against the concentration gradient
Active transport requires carrier proteins, which often require energy. |
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Term
Allow a particular molecule or ion to cross the plasma membrane freely.
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Definition
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Term
Selectively interacts with specific molecules so that it can cross the plasma membrane. |
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Definition
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Term
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Definition
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Term
The extracellular matrix is composed mostly of: |
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Definition
Polysaccharides and proteins |
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Term
Which of the following are needed to complete active transport molecules? |
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Definition
Carrier protein, energy, plasma membrane |
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Term
This integral protein has a carbohydrate chain attached and is called a: |
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Definition
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Term
Enzymatic plasma proteins are involved in: |
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Definition
Catalyzing metabolic reactions. |
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Term
The sodium-potassium pump moves sodium ions to the outside of the cell, and potassium ions to the inside of the cell. Both ions are moved up their concentration gradient. This type of transport is called ___ transport. |
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Definition
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Term
Molecules that are too large to be transported across the plasma membrane by a carrier protein are moved via |
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Definition
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Term
In bulk transport, ____ made from membrane are used to transport particles into or out of the cell. |
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Definition
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Term
Receptor proteins are involved in: |
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Definition
Binding signaling molecules to bring about physiological changes |
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Term
The process of secretion in which an intracellular vesicle fuses with the plasma membrane so that the vesicle’s contents are released outside the cell: |
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Definition
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Term
____ proteins are involved in selective transport of molecules across the cell membrane. |
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Definition
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Term
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Definition
- Aid in both facilitated transport and active transport
- Are specific to moving specific molecules |
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Term
Gylcocalyx help bacterium with: |
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Definition
Adhesion, cell-to-cell recognition, signal reception, and protection |
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Term
A ____ is an adhesion junction that connects the cytoskeletons of adjacent animal cells creating a flexible sheet of cells. |
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Definition
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Term
As temperature increases, the rate of diffusion ___ |
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Definition
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Term
The type of junction found between cells in which the adjacent plasma membranes do not touch, but ar held together by intercellular filaments is called a ____ |
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Definition
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Term
___ uses vesicles to move into and out of the cell. |
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Definition
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Term
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Definition
The strength of a solution compared to that of a cell. |
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Term
____ affects the fluidity of membranes |
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Definition
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Term
Particular molecules or ions freely cross the plasma membrane with assistance from ____ |
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Definition
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Term
A person’s blood type is determined by the presence of particular ___ in the membranes of red blood cells. |
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Definition
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Term
When a plant cell is placed in a hypertonic solution which of the following will occur? |
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Definition
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Term
The term hemolysis refers to ______. |
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Definition
Red blood cells that burst after being placed in a hypotonic solution |
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Term
Insulin leaves insulin-secreting cells by _____. |
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Definition
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Term
The peptide hormone, follicle stimulating hormone (FSH), would activate its specific target cells by _____. |
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Definition
binding a receptor protein in the plasma membranes |
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Term
Transplant rejections are the result of the immune system's response to foreign ______ and __________. |
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Definition
glycoproteins; glycolipids |
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Term
Receptor proteins are involved in |
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Definition
biding signaling proteins to bring about physiological changes |
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Term
A ____ is an adhesion junction that connects the cells of adjacent animal cells creating a flexible network. |
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Definition
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Term
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Definition
shrinking of animal cell due to hypertonic solution |
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Term
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Definition
junction between plant cells |
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Term
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Definition
Signals the cell to release product via bulk transport |
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