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Questions and Answers
What are the three major components of biological membranes?
What are the three major components of biological membranes?
- Phospholipids, glycolipids, and nucleic acids
- Lipids, proteins, and sugars (correct)
- Fatty acids, amino acids, and starch
- Cholesterol, proteins, and carbohydrates
In biological membranes, what type of molecules form two-layered sheets?
In biological membranes, what type of molecules form two-layered sheets?
- Cholesterol
- Carbohydrates
- Lipids (correct)
- Proteins
What is the main function of membranes in cells?
What is the main function of membranes in cells?
- To regulate the movement of substances in an out of cells (correct)
- To provide structural support to the cell
- To synthesize ATP
- To store genetic information
Which process takes place on membranes related to the release of energy?
Which process takes place on membranes related to the release of energy?
What type of interactions mainly hold lipid and protein molecules together in membranes?
What type of interactions mainly hold lipid and protein molecules together in membranes?
What is the purpose of membranes in cell-to-cell communication?
What is the purpose of membranes in cell-to-cell communication?
What types of lipids are found in biological membranes?
What types of lipids are found in biological membranes?
Where are sugars attached in the membrane?
Where are sugars attached in the membrane?
What are the major functions of lipids in the body?
What are the major functions of lipids in the body?
In what form do lipid molecules associate to form supra molecular structures?
In what form do lipid molecules associate to form supra molecular structures?
What is the basic structure of liposomes?
What is the basic structure of liposomes?
What solvents are lipids soluble in?
What solvents are lipids soluble in?
What strategy do some plants use to tolerate colder temperatures?
What strategy do some plants use to tolerate colder temperatures?
How do brain cell membranes of ground squirrels adapt during hibernation?
How do brain cell membranes of ground squirrels adapt during hibernation?
Which type of proteins may be linked to the membrane by a glycolipid or phospholipid anchor?
Which type of proteins may be linked to the membrane by a glycolipid or phospholipid anchor?
How do caribou adapt to cold winters to prevent excess heat loss?
How do caribou adapt to cold winters to prevent excess heat loss?
What is a common feature of proteins that are linked to or embedded in the cell membrane?
What is a common feature of proteins that are linked to or embedded in the cell membrane?
What characteristic allows membranes to stay fluid even at cold temperatures?
What characteristic allows membranes to stay fluid even at cold temperatures?
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