The major biomolecule responsible for uptake of material across the plasma membrane is……..
a) phospholipid
b) lipid
c) protein
d) carbohydrate
All of the following substance passes through cell membrane except……..
a) O2
b) CO2
c) H2O
d) H+
Which of the following proteins in plasma membrane act as permease?
a) intrinsic proteins
b) extrinsic proteins
c) glycoprotein
d) all of these
Explanation: Glycoproteins are molecules that comprise protein and carbohydrate chains that are involved in many physiological functions
Which of the following are responsible for the functional diversity of the membrane?
a) carbohydrates
b) lipids
c) proteins
d) all of these
Which of the following make differentially permeable barrier those allow the transport of non-polar materials across it?
a) carbohydrates
b) lipids
c) proteins
d) all of these
Explanation: lipids make bilayer of membrane
Longer the fatty acid chain, fluidity of the lipid bilayer………
a) decreases
b) increases
c) remains constant
d) both a and b
