Plasma Membrane
Dive into Plasma Membrane: Test Your Knowledge!
Welcome to the ultimate plasma membrane quiz! Dive deep into the fascinating world of cell membranes and discover how much you know about their structure and fun
Whether you're a student, a teacher, or just a curious mind, this quiz offers:
- 16 engaging questions
- Multiple-choice format
- Instant feedback on your answers
Which of the below applies to the plasma membrane?
It's a mixture of carbohydrates and lipids
Its a mixture of protein and carbohydrates
It's a mixture of protein and lipids
Some carbohydrates are anchored and some are free floating
Some proteins are anchored and some are free floating
It provides and anchor for the cellular cytoskeleton
What is the double layered structure of the plasma membrane called?
The water mosaic model
The fluid ark model
The fluid mosaic model
Which of the below is NOT a cell fun
Adhesion
Signaling
Ion conductance
Protein conductance
Immune response
What are the two main categories of proteins in the plasma membrane?
Peripheral proteins
Inferior proteins
Exterior proteins
Integral proteins
Extracellular proteins
Which of the below applies to peripheral proteins?
They form covalent bonds with integral proteins
They do not allow anchoring of other molecules etc
They define cell shape, polarity and strength
They are amphipathic
They are hydrophobic
Which of the below applies to integral proteins?
They are amphipathic
They act as receptors
They do not allow anything to transport across the membrane
They transport things across the membrane
They act as enzymes
What is simple diffusion?
Substance moves across the lipid bilayer without the help of membrane transport proteins
Substances move across the lipid bilayer with the help of a non-specific membrane transport protein
Water is able to cross the lipid bilayer by using either simple diffusion or channels known as aquaporins
What is Non-specific facilitated diffusion?
Water is able to cross the lipid bilayer by using either simple diffusion or channels known as aquaporins
Substance moves across the lipid bilayer without the help of membrane transport proteins
Substances move across the lipid bilayer with the help of a non-specific membrane transport protein
What is specific facilitated diffusion?
Substance moves across the lipid bilayer without the help of membrane transport proteins
Water is able to cross the lipid bilayer by using either simple diffusion or channels known as aquaporins
Substances move across the lipid bilayer with the help of a membrane transport protein specific to a particular substance
What is facilitated diffusion with water?
Water is able to cross the lipid bilayer by using either simple diffusion or channels known as aquaporins
Substance moves across the lipid bilayer without the help of membrane transport proteins
Substances move across the lipid bilayer with the help of a membrane transport protein specific to a particular substance
What is a uniport?
Allows the transport of one solute at a time either using a dedicated channel or carrier protein using ATP
Allows the transport of one solute at a time either using a dedicated channel or carrier protein without ATP
What is primary active transport?
Transporter protein couples the movement of an ion (commonly H+ or Na+) down its electrochemical gradient to the uphill movement of another solute against a concentration gradient
Uses energy in the form of ATP to transport solute across the membrane usually against a concentration gradient I.e moving from a high to low concentration
Allows the transport of one solute at a time either using a dedicated channel or carrier protein using ATP
What is secondary active transport?
Substance moves across the lipid bilayer without the help of membrane transport proteins
Uses energy in the form of ATP to transport solute across the membrane usually against a concentration gradient I.e moving from a high to low concentration
Transporter protein couples the movement of an ion (commonly H+ or Na+) down its electrochemical gradient to the uphill movement of another solute against a concentration gradient
What is a symport? Think sausage and mash
Allows the transport of one solute at a time either using a dedicated channel or carrier protein without ATP
Transports the solute and co-transported at the same time in the same direction and typically against a concentration gradient
Transports the solute in or out and the co-transported in the opposite direction I.e one in, one out. It will generally move down its electrochemical gradient
What is an anti-port? Think pretty girls at the club
Transports the solute in or out and the co-transported in the opposite direction I.e one in, one out. It will generally move down its electrochemical gradient
Transports the solute and co-transported at the same time in the same direction and typically against a concentration gradient
Allows the transport of one solute at a time either using a dedicated channel or carrier protein without ATP
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