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fatty acids
membranes
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∙ 12y ago
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What is a sentence using passive transport?
Active Transport is carried out in our body cells. Active Transport uses energy to transport materials.
What is one example of substance using facilitated transport?
EXAMPLES OF FACILITATED DIFFUSION IN THE HUMAN BODYExchange of oxygen and carbon in the alveoli of the lungsThe absorption of glucose, fructose, amino acids in the small intestines
What is an example of active transport using physiological processes in the human body?
diffusion occurs naturally facilitated diffusion and active transport need energy
Vitamin c is soluble in water and vitamin d is lipid soluble. how does the structure of the cell membrane determine the route taken by each vitamin?
Vitamin C is water soluable so the only way it can be transported is by faciliated difficusion using a channel protein. Channel proteins allow polar, watersoluable substances and ions to pass across the cell membrane using faciliated diffusion. Vitamin D is lipid soluble therefore it can pass through using simple diffusion because the phospholipid bilayer lets it pass through down its concentration gradient.
What is the transport mechanism using ATP?
bike
Does faciliated diffusion require energy?
Yes, faciliated diffusion is when a cell uses energy to maintain homeostasis, but regular diffusion is when homeostasis occurs without using energy.
Movement of a substance across a cell membrane using chemical energy occurs during?
active transport
What Name one type of substance that is taken into a root hair cell using active transport?
ion
What molecules move with endocytosis and exocytosis as opposed to diffusion or active transport?
The difference is that Active transport engulfs the substance by using the cells membrane. Exocytosis engulfs the substance by engulfing it into a vesicle, then bring it into the cell, and Exocytosis releases he substance from a cell by fusion of a vesicle. :)
Where does friction get used?
Everywhere, for example sitting on your chair, walking, using a mode of transport.
How the pollutant has come to be in the environment?
by using the things which are effected in the environment. example: transport, using more electricity and many more.
When a substance moves from an area of low concentration to an area of high concentration while using energy the processed is term is?
When a substance moves from an area of low concentration to an area of high concentration while using energy the process is called active transport.
When a substance moves from an area of low concentration to an area of high concentration while using energy the proces is termed what?
active transport
What does facilitated diffusion do in a cell?
It allows for the flow of substances which are normally too large to pass through the cell membrane. Like active transport, it accomplishes this using channel proteins coded for each specific substance (sugar, for example). Unlike active transport, facilitated diffusion only works WITH the osmotic pressure gradient, not against.
What is an example of a sentence using the word temperature?
The temperature of the substance is equal to the amount of heat applied
What is the movement of material through a membrane?
This movement occurs through several mechanisms.
How do carriers proteins facilitate passive transport of molecules across a membrane?
Carrier proteins facilitate passive transport of molecules across a membrane by changing its shape, by using ATP, to allow a substance to pass through the membrane.
