Comprehensive Quiz: Module 24

Which have the ability to synthesize triacylglycerol?

Where the acyl – CoA formed in the cytosol is transported for oxidation?

Which of the following yield acetyl coA directly?

All enzymes of the TCA cycle reside in the mitochondrial membrane.

Triacylglycerol stored in the body as cytoplasmic lipid droplets.

The three identical b subunits of the F₁ complex during ATP synthesis have:

Which of the following produce pyruvate?

Which of the following is also known as Krebs cycle?

Which of the following pathway is not used for triacylglycerol synthesis?

The transport of acyl – CoA for oxidation using a shuttle involves formation of the intermediate:

Which of the following produce α-ketoglutarate?

How many reactions that occur in the TCA cycle transfer electrons from a substrate to an electron accepting enzyme?

Which of the following enzyme is not used in the synthesis of triacylglycerol?

How many net number of ATP molecules are produced from palmitic acid during β oxidation process?

Which of the following produce succinyl CoA?

Which of the following is an important end product of disassembly of fatty acids?

What is lipolysis?

Oxidation of palmitic acid (C₁₆) involves ___ rounds of b-oxidation and yields ___ molecules of acetyl-CoA

Fumarate is produced from four carbon atoms of

Polysaccharides, fats and proteins break down into metabolites of __________________

Which of the following hormone is not used in the hydrolysis of triacylglycerol into the fatty acids in adipose tissues?

Which of the following is the regulated step of fatty acid synthesis in eukaryotes?

Which of the following produce oxaloacetate?

Acetyl CoA is a _____________ carbon compound.

Mark the INCORRECT statement about the bile salt.

The largest lipoproteins are the __________

The branched chain amino acid is not

In the TCA cycle, which of the following combines with Acetyl CoA to form a 6 carbon compound?

Triacylglycerol packed with the apolipoprotein and cholesterol in lipoprotein aggregate is called_________

Why is it undesirable to have high concentrations of free fatty acids in cells?

Urea production occurs almost exclusively in

The enzyme aconitase is responsible for ________________

What is the outcome of the accumulation of acetyl-CoA in the mitochondria of the liver?

What is the main function of the carnitine shuttle system?

The first amino group entering into urea cycle is

For each molecule of glucose, how many times does the TCA cycle proceed?

Name the energy source of the brain during starvation?

Elevated levels of the hormone ______ stimulate the conversion of triacylglycerols stored in adipose cells to free acids and monoacylglycerols to provide energy when carbohydrate stores are depleted

The first enzyme in the pathway carbamoyl phosphate synthase I, is allosterically activated by

Which of the following is not an essential amino acid?

What is the biosynthetic source of all steroid hormones?

Which is not a ketone body?

A second amino group is transferred to cituilline from

Membrane potential and the proton gradient

Cholesterol is a precursor for each of the following, except:

Nitrogen atoms of urea produced in the urea cycle are derived from

The irreversibility of the thiokinase reactions (formation of initial acy-CoA)

The first step in fatty acid synthesis is the formation of _____ from acetyl CoA and carbon dioxide

Products of urea cycle are

Long – chain fatty acids are oxidized stepwise in one carbon units starting from the

Which of the following amino acids are exclusively ketogenic?

The carbon atom source while producing urea in the urea cycle is

How many molecules of acetyl – CoA are produced in oxidation of palmitic acid (C₁₆), which involves seven rounds of oxidation?

Which of the following are exclusively glucogenic?

Urea cycle converts

Each cycle of β – oxidation produces:

Which of the following yield acetyl co-A via aceto-acetyl co-A?

Inputs to one cycle of urea cycle are