Test your knowledge with 20 high-yield MDCAT Biological Molecules Practice Questions MCQs on Biological Molecules, Enzymes, enzyme inhibition, carbohydrate structures, glycosidic linkages, and Carbohydrates. Boost your MDCAT score with practice quiz questions! Let us start with the online MDCAT Biology Test: Biological Molecules Practice Questions with Answers now:
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#1. ————— is the most abundant carbohydrate in nature
#2. Which of the following is a keto sugar?
#3. The most common respiratory substance as a source of energy is
#4. Which one of the following is the formula structure of D ($alpha$) glucose?
#5. Which ones are intermediates in respiration and photosynthesis both?
#6. Cellulose of wood, cotton, and paper is an example of
#7. The main constituents of cell walls in plants, algae, fungi, and eukaryotic microorganisms are
#8. The compounds which, on hydrolysis, yield polyhydroxy aldehyde or ketone subunits are
#9. In simple carbohydrates, the ratio of hydrogen and oxygen is the same as in
#10. If a molecule can bind to another site of the enzyme rather than the true active site, it is referred to as
#11. Monosaccharides are major components of
#12. A student of chemical engineering mistakenly ingested the toxic compound A, which was a potent inhibitor of a certain enzyme. He was immediately brought to the hospital, where Dr. injected substrate B intravenously to minimize the toxic effect of compound A. His life was saved from serious damage. The treatment method shows that compound A was a ————— inhibitor.
#13. The temperature that promotes the maximum activity of an enzyme is referred to as
#14. The covalent bond formed between two monosaccharides is called
#15. The simplest monosaccharide containing a keto group is
#16. The bond formed between glucose and fructose to form sucrose is —————- linkage:
#17. A non-protein part essential for proper and essential functioning of an enzyme is called
#18. Carbohydrates are composed of
#19. Carbohydrates are organic molecules and contain three elements
#20. In an amino acid in which the R-group is hydrogen, the amino acid will be
Online Biological Molecules Practice Questions with Answers
- A student of chemical engineering mistakenly ingested the toxic compound A, which was a potent inhibitor of a certain enzyme. He was immediately brought to the hospital, where Dr. injected substrate B intravenously to minimize the toxic effect of compound A. His life was saved from serious damage. The treatment method shows that compound A was a ————— inhibitor.
- If a molecule can bind to another site of the enzyme rather than the true active site, it is referred to as
- A non-protein part essential for proper and essential functioning of an enzyme is called
- The temperature that promotes the maximum activity of an enzyme is referred to as
- The covalent bond formed between two monosaccharides is called
- The bond formed between glucose and fructose to form sucrose is —————- linkage:
- Carbohydrates are organic molecules and contain three elements
- Which ones are intermediates in respiration and photosynthesis both?
- ————— is the most abundant carbohydrate in nature
- Which of the following is a keto sugar?
- The compounds which, on hydrolysis, yield polyhydroxy aldehyde or ketone subunits are
- Which one of the following is the formula structure of D ($\alpha$) glucose?
- In an amino acid in which the R-group is hydrogen, the amino acid will be
- Cellulose of wood, cotton, and paper is an example of
- The main constituents of cell walls in plants, algae, fungi, and eukaryotic microorganisms are
- Carbohydrates are composed of
- In simple carbohydrates, the ratio of hydrogen and oxygen is the same as in
- The most common respiratory substance as a source of energy is
- The simplest monosaccharide containing a keto group is
- Monosaccharides are major components of



