Passive transport process of low-molecular weight material according to its concentration gradient

Transport of water through a semipermeable membrane according to the water's concentration gradient across the membrane that results from the presence of solute that cannot pass through the membrane

Situation in which extracellular fluid has a higher osmolarity than the fluid inside the cell, resulting in water moving out of the cell

Situation in which extracellular fluid has a lower osmolarity than the fluid inside the cell, resulting in water moving into the cell

Situation in which the extracellular fluid has the same osmolarity as the fluid inside the cell, resulting in no net water movement into or out of the cell

Asexual reproduction by a separation of the body into two new bodies

Thin layer that forms the outer boundary of a living cell or of an internal cell compartment

Molecule possessing a polar or charged area and a nonpolar or uncharged area capable of interacting with both hydrophilic and hydrophobic environments

Create a selectively permeable barrier to the movement of ions and molecules important for cellular function

Method of transporting material through a membrane that does not require energy

Describes the plasma membrane's structure as a mosaic of components including phospholipids, cholesterol, proteins, glycoproteins, and glycolipids (sugar chains attached to proteins or lipids, respectively), resulting in a fluid character (fluidity)

Channel protein that allows water through the membrane at a very high rate

Membrane protein that allows a substance to pass through its hollow core across the plasma membrane

Membrane protein that moves a substance across the plasma membrane by changing its own shape

Facilitated Transport

Process by which material moves down a concentration gradient (from high to low concentration) using integral membrane proteins

Method of transporting material that requires energy

Adenosine triphosphate, the cell’s energy currency

In cellular physiology, a protein that has been identified in many cells that maintains the internal concentration

Proteins that act as biological catalysts

The chemical reactions in the body's cells that change food into energy

Molecule on which the enzyme acts

Energy necessary for reactions to occur

Enzyme's specific region to which the substrate binds

Help

Options

focusNode

Didn't know it?
click below

Knew it?
click below

Don't Know

Remaining cards (0)

Know

retry

shuffle

restart

0:00

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

BIO 181 Exam 2

Terms and Definitions for second exam in BIO 181

Question	Answer
Diffusion	Passive transport process of low-molecular weight material according to its concentration gradient
Osmosis	Transport of water through a semipermeable membrane according to the water's concentration gradient across the membrane that results from the presence of solute that cannot pass through the membrane
Hypertonic	Situation in which extracellular fluid has a higher osmolarity than the fluid inside the cell, resulting in water moving out of the cell
Hypotonic	Situation in which extracellular fluid has a lower osmolarity than the fluid inside the cell, resulting in water moving into the cell
Isotonic	Situation in which the extracellular fluid has the same osmolarity as the fluid inside the cell, resulting in no net water movement into or out of the cell
Binary Fission	Asexual reproduction by a separation of the body into two new bodies
Membrane Structure	Thin layer that forms the outer boundary of a living cell or of an internal cell compartment
Amphiphilic	Molecule possessing a polar or charged area and a nonpolar or uncharged area capable of interacting with both hydrophilic and hydrophobic environments
Phospholipid Bilayer	Create a selectively permeable barrier to the movement of ions and molecules important for cellular function
Passive Transport	Method of transporting material through a membrane that does not require energy
Fluid Mosaic	Describes the plasma membrane's structure as a mosaic of components including phospholipids, cholesterol, proteins, glycoproteins, and glycolipids (sugar chains attached to proteins or lipids, respectively), resulting in a fluid character (fluidity)
Aquaporin	Channel protein that allows water through the membrane at a very high rate
Protein Channel	Membrane protein that allows a substance to pass through its hollow core across the plasma membrane
Carrier Protein	Membrane protein that moves a substance across the plasma membrane by changing its own shape
Facilitated Transport	Process by which material moves down a concentration gradient (from high to low concentration) using integral membrane proteins
Active Transport	Method of transporting material that requires energy
ATP	Adenosine triphosphate, the cell’s energy currency
Sodium-Potassium	In cellular physiology, a protein that has been identified in many cells that maintains the internal concentration
Enzyme	Proteins that act as biological catalysts
Metabolism	The chemical reactions in the body's cells that change food into energy
Substrate	Molecule on which the enzyme acts
Activation Energy	Energy necessary for reactions to occur
Active Site	Enzyme's specific region to which the substrate binds

Created by: johnnyharrod13

Popular Biology sets

Genetics: Monohybrid, Dihybrid, & Non-Mendelian

Unit 2- Requirements of Life

Evidence of Evolution

"Know" box contains:
Time elapsed:
Retries: