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Active Cell Transport:
__________ found in the membrane move materials across the
concentration difference or concentration gradient.
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What part of the cell makes ATP?
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Active Transport

Biology Unit 1

QuestionAnswer
Active Cell Transport: __________ found in the membrane move materials across the concentration difference or concentration gradient. Proteins
What part of the cell makes ATP? Mitochondria
___________ found in the cell membrane, transport molecules across the membrane. Proteins (or pumps)
Proteins are used to move small molecules such as calcium, potassium, and sodium ions across the membrane. This is called _____________. Molecular Transport
With the ___________, the cell removes 3 sodium ions for every 2 potassium ions that enter the cell. This mechanism requires energy. Sodium Potassium Pump
With the Sodium Potassium Pump, the cell removes 3 ________ ions for every 2 __________ ions. This mechanism requires energy. sodium potassium
Does the Sodium Potassium Pump require energy? Yes
Larger molecules and even solid clumps of material can be transported by movements of the cell membrane known as ___________ transport. bulk
Taking “in” large molecules by the cell is called ____________. endocytosis
______________ is "cell eating." Extensions of cytoplasm surround a particle and package it within a food vacuole and then the cell engulfs it. Ex. Amoebas use this process. Phagocytosis
____________ is the process of taking up liquid from the surrounding environment. Tiny pockets form along the membrane, fill with liquid, and pinch off. Pinocytosis
_____________ requires specialized receptors to bind to substances and transport them across the membrane Receptor-Mediated Endocytosis
Phagocytosis is _______________. Extensions of cytoplasm surround a particle and package it within a food vacuole and then the cell engulfs it. cell eating
Pinocytosis is the process of taking up _________ from the surrounding environment. Tiny pockets form along the membrane, fill with liquid, and pinch off. liquid
Receptor-mediated endocytosis requires specialized ___________ to bind to substances and transport them across the membrane. receptors
Name 3 forms of endocytosis. phagocytosis pinocytosis receptor-mediated endocytosis
________________ involves removing large particles (waste) from the cell. Stuff “exits” the cell Exocytosis
During ___________, The membrane of the vesicles surrounding the material fuses with the cell membrane forcing the contents out of the cell. Exocytosis
During exocytosis, the membrane of the vesicles surrounding the material fuses with the cell membrane forcing the contents __________ of the cell. out
Active cellular transport requires energy. Name a type of active transport. bulk transportation (i.e. endocytosis and exocytosis)
Passive cellular transport does NOT require energy. Name 3 types of passive transport diffusion osmosis facilitated diffusion
As an organism, the cell tries to maintain ______________., homeostasis
_______________ organisms grow, respond to the environment, transform energy and reproduce. Unicellular
Unicellular organisms include both __________ and ____________. eukaryotic and prokaryotes
____________ is an example of a prokaryote. Bacteria
Name 3 examples of eukaryotes amoeba, algae, and fungi
Unlike unicellular organisms, the cells of humans and other multicellular organisms do not live on their own. They are _____________. interdependent ***
The cells of multicellular organisms become specialized for particular tasks and communicate with one another to maintain _____________. homeostasis
We each began life as a ____________ cell that grew and divided to give rise to many other cells. New cells become specialized with different cell types playing different roles. No matter what the role, each specialized cell contributes homeostasis. single
Specialized cells are organized into ______________, which are a group of similar tissues. tissues ***
Specialized cells are organized into tissues, which are a group of similar cells. Tissues are organized into ___________. organs
Specialized cells are organized into tissues, which are a group of similar cells. Tissues are organized into organs. Organs are many groups of tissues that _______________. work together
What are organs? Organs are many groups of tissues that work together
What are tissue? Tissues are a group of similar cells.
Organs are organized into ___________. organ systems
Organ systems are a group of organs that work together to perform _____________. one specific function
______________ are a group of organs that work together to perform one specific function. Organ systems
Cells in large organisms communicate by means of _______________ that are passed from one cell to another. chemical signals
Cells in __________ organisms communicate by means of chemical signals that are passed from one cell to another. large
Cells in large organisms communicate by means of chemical signals that are passed from one cell to another. These signals can ________ or __________ the activities of the cell or cause the cell to change what it is doing. slow down speed up
Cells in large organisms communicate by means of chemical signals that are passed from one cell to another. These signals can slow down or speed up the activities of the cell or cause the cell to ______________. change what it is doing
Neighboring cells have __________. cellular junctions ***
Neighboring cells have cellular junctions. Some hold the cells together. Some allow small molecules carrying chemical signals to pass from cell to cell. To respond to the chemical signal, the cell must have a _____ for the signaling molecule to bind to. receptor ***
Receptors can be located on the ______________or in the ____________. cell membrane, cytoplasm
Messages are carried from one part of the body to another by nerve cells called _________. neurons ***
Messages are carried from one part of the body to another by nerve cells called neurons. This requires a steady supply of _________ that is produced by the mitochondria. energy
Messages are carried from one part of the body to another by nerve cells called neurons. This requires a steady supply of energy that is produced by the ____________. mitochondria
Created by: Gavmi12
 

 



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