Question

Q1-    ___ affects(s) the fluidity of the cell membrane by limiting the movement of phospholipids.

Q2- A cell is exposed to cyanide, a toxic molecule that block mitochondrial ATP synthesis. Which of the following processes will be most directly affected?

Q3--- Although the hydrogen atom is already ___ bonded to one ___ atom, the ____ charged hydrogen is weakly ____ to another ____ charged ____ atom.

Q4- unlike a true chemical bond, this bond occurs between ____ and lot _____.

Q5- in the reversible reaction CO2+H2O<-> H2CO3<-> H+ +HCO3-, a decrease in reputation rate will increase the concentration of CO2 in the blood. What will this do to the amount of H+ in the blood?

Answer 1

Q1-    _Cholesterol__ affects(s) the fluidity of the cell membrane by limiting the movement of phospholipids.

Cholesterol is a sterol which is an essential structural component of animal cell membrane. It is also the precursor for the biosynthesis of steroid hormones. It belongs to the class of lipids and has a high melting point of 1450C and so exists as solid at room temperature. The percent of cholesterol in the cell membrane directly affect the stiffness or fluidity of the cell membrane.