Term
| Which molecules are in an animal cell's plasma membrane? |
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Definition
| Protein, phospholipid, carbohydrate, cholesterol |
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Term
| In a membrane do the hydrophillic tails always face eachother? |
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Definition
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Term
| Plants always require an environment that is what to them? |
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Definition
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Term
| What do facilitated and active transport require? |
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Definition
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Term
| During exocytosis what does the secretory vesicle fuse with? |
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Definition
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Term
| A white blood cell engulfs bacteria through the process of what? |
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Definition
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Term
| In animals which junction allows molecules or ions to pass from one cell into another? |
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Definition
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Term
| In animals which junction allows the nice barrier to form between adjacent cells? |
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Definition
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Term
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Definition
| Per equal volume more solute |
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Term
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Definition
| Per equal volume less solute |
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Term
| How many phospholipid layers make up the plasma membrane? |
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Definition
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Term
| What monomers make up phospholipids? |
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Definition
| Fatty Acids, Glycerol, R group, Phosphate |
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Term
| Complete the dehydration reaction for making a phospholipid. Glycerol+_____+Rgroup+___--> ____+ Water |
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Definition
| 3 Fatty Acid; Phosphate; Phospholipid |
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Term
| In which organelle would phospholipids be synthesized? |
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Definition
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Term
| Which portion of a phospholipid is hydrophilic? |
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Definition
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Term
| Which way do the hydrophilic heads face? |
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Definition
| Outside and inside of the cell |
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Term
| Which portion of a phospholipid is hydrophobic? |
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Definition
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Term
| Which direction do the hydrophobic tails face? |
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Definition
|
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Term
| What monomers do the tails represent? |
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Definition
|
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Term
| What monomers do the head represent? |
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Definition
| Glycerol, R group, Phosphate |
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Term
| What are integral proteins? |
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Definition
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Term
| What are transmembrane integral proteins? |
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Definition
| Proteins that span through an entire membrane |
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Term
| Which molecules form a mosaic pattern ? |
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Definition
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Term
| If a carb attaches to a lipid what is it called? |
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Definition
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Term
| If a carb attaches to a protein what is it called? |
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Definition
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Term
| Where in the endomembrane system were carbs attached to proteins? |
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Definition
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Term
| What is the function of a glycocalyx? |
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Definition
| Protects cell, facilitates adhestion between cells, reception of signaling molecules and cell recognition. |
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Term
| Carbs can face the ____ surface ONLY. |
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Definition
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Term
| Do prokaryotes have a glycocalyx? |
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Definition
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Term
| Generally what is the role of channel proteins and carrier proteins? |
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Definition
| Passage of molecules through the membrane. |
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Term
| Define differentially(selectively) permeable. |
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Definition
| Certain substances can move across the membrane others can't . |
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Term
| Which types o molecules can pass freely across the membrane between the hydrophilic heads and through the hydrophobic tails? |
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Definition
| H2O and noncharged molecules |
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Term
| What do larger ions or polar molecules that cannot cross the membrane freely require? |
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Definition
| Assistance from Carrier proteins or by vesicle formation |
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Term
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Definition
| Movement of molecules from and area of high concentration to area of low concentration. |
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Term
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Definition
| The one in greater amount in a solution. |
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Term
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Definition
| The one with lesser amount in a solution. |
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Term
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Definition
| Diffusion of water across a selectively permeable membrane. |
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Term
| When is are solutions Isotonic? |
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Definition
| IF they have equal amounts of solute per volume. |
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Term
| Is there net movement of water if an animal cell is placed in a solution that was isotonic to it? |
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Definition
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Term
| When is a solution hypotonic? |
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Definition
| When it has less solute per volume. |
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Term
| If an animal cell were placed in a solution that is hypotonic to the cell, what happens to the cell? |
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Definition
| It would expand and burst due to build up of pressure. |
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Term
| INto which organelle does the water go in a plant cell? |
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Definition
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Term
| What type of pressure is created against the plant cell wall? |
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Definition
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Term
| When is a solution hypertonic? |
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Definition
| When is has more solute per volume |
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Term
| Are carrier and channel proteins integral or peripheral? |
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Definition
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Term
| During facilitated Transport which way are molecules crossing the plasma membrane? |
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Definition
| From high to low area of concentration. |
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Term
| During Active transport which way are molecules crossing the plasma membrane? |
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Definition
| From a low to high area of concentration |
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Term
| Does Active transport require energy? |
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Definition
|
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Term
| Which types of molecules require bulk transport? |
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Definition
| Macromolecules; polypeptides |
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Term
| Does vesicle formation require energy; what type? |
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Definition
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Term
| What are macromolecules doing during exocytosis? |
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Definition
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|
Term
| What happens to a vesicle during exocytosis? |
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Definition
| It fuses with the plasma membrane |
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Term
| What are macromolecules doing during endocytosis? |
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Definition
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|
Term
| What does the plasma membrane do during endocytosis? |
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Definition
| Invaginates to envelop the substance then pinches off to form intra-cellular vesicle. |
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Term
| What is the process by which liquid or small macromolecules are brought into a cell? |
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Definition
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Term
| What are the 2 major stuctural proteins found in the extracellular matrix? |
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Definition
| Collagen and Elastin Fibers. |
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Term
| What is the role of Integrin? |
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Definition
| Cell signaling and permits ECM to influence activities of the cytoplasm. |
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Term
| Which type of junction attaches adjacent cells? |
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Definition
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Term
| When internal cytoplasmic plaques in 2 different cells attach together by intercellular filaments, what is the junction called? |
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Definition
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Term
| Which type of adhesion junction is represented by a single point of attachment between 2 cells? |
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Definition
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Term
| Which type of junction is represented by the attachment of plasma proteins of 2 adjacent cells? |
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Definition
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Term
| When molecules or ions can pass from one cell to another the junction connecting to the 2 cells is called? |
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Definition
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Term
| What is the most abundant polysaccharide on earth? |
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Definition
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Term
| What structure allows passage of water and small solutes to go from one cell into another cell? |
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Definition
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Term
| On what organelle is ATP produced? |
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Definition
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Term
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Definition
| The shrinking of the cytoplasm |
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