Which statement is false?
o for the complete conversion of glucose to co2, approximately 32 atp molecules can be synthesized.
o the pdh complex is considered to be a reaction of the citric acid cycle.
o succinate dehydrogenase is an integral membrane protein.
o succinyl–coa synthetase and succinic thiokinase are two names for the same enzyme.

"The PDH complex is considered to be a reaction of the citric acid cycle" is the false statement

Explanation:

The PDH complex is involved in the oxidation of piruvate, producing acetate and free CO2 (besides ATP and NADH).  Concomitantly, in presence of coenzyme A, it binds the acetate molecule to form Acetyl-CoA.

Acetyl-CoA, later, will enter the Krebs cycle reacting with oxalacetate to form citric acid.

The other statements options are true

Lets assume the gas is acting Ideally, then According to Ideal Gas Equation the density is given as,

                                            d  =  P M / R T           (1)
Where;
P  = Pressure =  1.03 atm

M  = Molar Mass =  146.06 g/mol

R  = Gas Constant =  0.08206 atm.L.mol⁻¹.K⁻¹

T  = Temperature =   297 K

Putting Values in eq. 1,

           d  =  (1.03 atm × 146.06 g/mol) ÷ (0.08206 atm.L.mol⁻¹.K⁻¹ × 297 K)

                                          density  =  6.17 g/L