Biochemistry Quiz

Which is true of eukaryotic cells?

• They evolved more recently than prokaryotic cells

• They lack membrane-bound organelles

• They lack a nuclear membrane

• They lack DNA

Normally, the cytoplasm of the cell does not contain:

• Mitochondria

• Ribosomes

• Lysosomes

• Chromosomes

Which cell organelle contains the chromosomes?

• Golgi apparatus

• Nucleus

• Lysosome

• Mitochondrion

Isomers of glucose:

• All have six carbon atoms

• Include mannose

• Can be epimers or anomers

• All of the above are correct

Which of the following statements is true of glucose?

• It is ketoaldose

• It is found in DNA and RNA

• It is part of the disaccharide sucrose

• It is obtained on hydrolysis of galactosylceramide

Which of the following can be considered as a non-carbohydrate?

• Starch

• Proteoglycan

• Glycoprotein

• Cellulose

Maltose:

• Contains glucose and galactose

• Contains two molecules of glucose

• Contains glucose and fructose

• Contains galactose and fructose

The following are heteropolysaccharides:

• Maltose

• Starch

• Glycogen

• Heparin

Diabetes mellitus:

• Thirsty is one of the symptoms

• Type I is insulin-dependent

• Type II appears in people over 40 years

• All are correct answers

Cholesterol:

• Is classified as a complex lipid

• Can be synthesized by plant cells

• Consists of 17 carbon atoms

• Is a precursor of vitamin D