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What is the importance of having sugars on the external side of the cell membrane?
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What is the importance of simple sugars for normal body function?
Simple sugars can be absorbed directly into the bloodstream to provide energy for cell use quickly.
What is it called when sugars pass across the membrane that requires the use of energy?
active transport
What are two plant parts that might be sources of sugars from phloem?
sunshine and outer membrane
What membrane protein has sugars attached to itself and helps cells recognize self?
Glycoprotein
Can osmosis refer to the movement of water or sugar through a membrane?
Osmosis the the term that applies primarily to water, not sugars.
Does plasma membrane contain sugars?
No
What is in the plasma membrane?
The plasma membrane is the bi-layer of phospholipids the encompass the cell. It is made of phospholipids, protiens, and sugars.
Cell membrane made up of?
Phospholipid bilayer and embedded proteins and sugars
When sugars pass across a membrane without the use of energy?
Passive transport.
What is the importance of simple sugars for normal body function?
Simple sugars can be absorbed directly into the bloodstream to provide energy for cell use quickly.
What is the role of transport and channel proteins within the fluid mosaic of the plasma membrane?
They allow movement of salts and sugars through the plasma membrane
What is it called when sugars pass across the membrane that requires the use of energy?
active transport
What are two plant parts that might be sources of sugars from phloem?
sunshine and outer membrane
If a membrane was not permeable to sugars why would it probably also not be permeable to starch molecules?
If a membrane is permeable to a substance, it means that there are gaps/holes/pores in the membrane large enough for that substance to pass through. Starch molecules are bigger that sugar molecules. So if the membrane is not permeable to sugars, the gaps/holes/pores will not be big enough for starch molecules to pass through either.
Short chains of sugars attached to recognition proteins in the cell membrane make up the?
Glycocalyx
What membrane protein has sugars attached to itself and helps cells recognize self?
Glycoprotein
What is the difference between intrinsic and extrinsic sugars?
The difference between intrinsic and extrinsic sugars is that intrinsic sugars are sugars that occur naturally in the cellular structure of food while extrinsic sugars are added or are free in food. Intrinsic sugars are mostly found in fruits and vegetables. Extrinsic sugars are divided into milk sugars or lactose and non milk extrinsic sugars which are added sugar and honey. - Intrinsic motivation is your own personal motivation that comes from inside you. It is self motivation personal gain, satisfaction, or enjoyment. Extrinsic motivation is from external sources, money, coercion, fame, fortune, recognition. - Extrinsic is external; intrinsic is internal Intrinsic is inner or from inside and extrinsic is outer or from outside
