A&P 2.14 Active and Passive transport across a semipermeable membrane
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Horizontales
Which kind of transport aka exchange process is movement of materials across a cell membrane against the concentration gradient using ATP
The energy used to actively transport materials across a cell membrane against the concentration gradient
Liquids and solids are pushed out of a cell
The pure building blocks of nature; consist of a single type of atom; there are 118 of these on the periodic table
Ingestion and digestion of SOLID particles by a cell. The cell traps them in a section of plasma membrane that pinches off "bites" of it
What are the atoms with an electrical charge in living things; have a positive + or negative - charge due to an unequal number of protons and electrons
Which proteins in the cell membrane allow movement by changing shape as they move a substance from one side of the membrane to the other
Which type of diffusion has ions diffusing through specific gated channels or carrier proteins; passive
Ca++
What property of the plasma membrane describes the ability to allow some substances to move in and some out of a cell while restricting others? ___ permeability
Part of the atom that houses the genetic code, dictates protein synthesis and facilitates cell transport, metabolism and growth
Which type of diffusion is a natural phenomenon caused by the tendency of small particles to spread out evenly within any given space from the region of greater concentration to lesser concentration; passive
Ingestion and digestion of LIQUID substances by a cell
Verticales
Anatomical word for liquids and solids brought into a cell and surrounded by a piece of the plasma membrane
How many sodium ions are pumped out a cell for every 2 potassium ions that are pumped in with the Sodium Potassium Pump
2 or more atoms joined together
The part of an atom that is uncharged
Na+
Which proteins in the cell membrane allow movement by cellular recognition to bind to a specific type of molecule
Cl-
Which proteins in the cell membrane are selective and only allow a single type of ion to pass through
What molecular bond is made by joining different elements
96% of our bodies are made up of the 4 major elements: carbon, oxygen , nitrogen and __
Smallest unit of matter consisting of 2 basic parts: a nucleus and one or more electron; participates in chemical reactions
What bond forms when positive and negative ions attract each other
Tiny, negatively charged particles that move around a nucleus; they do not follow a fixed path; they do form a negatively charged cloud
What bond happens when atoms give or take electrons
What passive transport process is diffusion of water across a semipermeable membrane
What bond is formed when atoms share electrons
The part of an atom with a positive charge
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