Prepare for the MDCAT Biology test with this Biological Molecules MCQs Quiz covering key concepts in enzymes, proteins, amino acids, carbohydrates, disaccharides, glycosidic bonds, protein structure, ribozymes, and enzyme activity. These practice questions are designed to help MDCAT aspirants assess their understanding and prepare effectively for the medical entrance test. Let us start with the online Biological Molecules MCQs for MDCAT Preparation:
Results
#1. Which statement about enzymes is not true?
#2. A certain enzyme will hydrolyze egg white but not starch. Which statement best explains this observation?
#3. Poisons like cyanide, antibiotics, and some drugs are examples of
#4. A ribozyme is —————– with a well-defined tertiary structure that enables it to catalyze a chemical reaction
#5. Starch is present in tubers, fruits and grains but absent in animal cells; instead, animals have a substance stored in liver and muscles known as
#6. Why do drastic changes in the temperature or pH of a system alter enzyme activity?
#7. Which of the following statements about enzymes is true?
#8. Which step causes activation of the catalytic site of an enzyme?
#9. The rate of any enzyme-controlled reaction increases rapidly if the amount of enzyme is doubled in the presence of an unlimited substrate concentration. This is due to
#10. Most proteins are made up of
#11. Cofactors
#12. The proteinaceous part of a holoenzyme is
#13. What term is used to describe the process by which proteins are synthesized from a genetic code?
#14. The number and sequence of amino acids along a polypeptide chain is called —————- structure of a protein
#15. In glycine R is ——————–?
#16. The structure of a fibrous protein comprises polypeptide chains in the form of
#17. Which of the following holds the alpha helix of protein in its place?
#18. Glycosidic bond is formed by the
#19. The covalent bond or bridge between two monosaccharides to form a disaccharide is called a
#20. Which is an example of a disaccharide?
Online Biological Molecules MCQs for MDCAT with Answers
- What term is used to describe the process by which proteins are synthesized from a genetic code?
- Poisons like cyanide, antibiotics, and some drugs are examples of
- Which step causes activation of the catalytic site of an enzyme?
- A certain enzyme will hydrolyze egg white but not starch. Which statement best explains this observation?
- Which statement about enzymes is not true?
- The proteinaceous part of a holoenzyme is
- Why do drastic changes in the temperature or pH of a system alter enzyme activity?
- Why do drastic changes in the temperature or pH of a system alter enzyme activity?
- Which of the following statements about enzymes is true?
- The rate of any enzyme-controlled reaction increases rapidly if the amount of enzyme is doubled in the presence of an unlimited substrate concentration. This is due to
- A ribozyme is —————– with a well-defined tertiary structure that enables it to catalyze a chemical reaction
- Starch is present in tubers, fruits and grains but absent in animal cells; instead, animals have a substance stored in liver and muscles known as
- Which is an example of a disaccharide?
- The covalent bond or bridge between two monosaccharides to form a disaccharide is called a
- Glycosidic bond is formed by the
- Most proteins are made up of
- In glycine, R is ——————–?
- The structure of a fibrous protein comprises polypeptide chains in the form of
- Which of the following holds the alpha helix of protein in its place?
- The number and sequence of amino acids along a polypeptide chain is called —————- structure of a protein
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