Proteins amino acids peptide bond protein structures denaturation enzymes vitamins nucleic acids DNA and RNA and biological functions - Question Bank
1. The sequence of nucleotides in a gene determines the sequence of:
2. What is the primary role of tRNA in protein synthesis?
3. Which nucleic acid is found primarily in the nucleus and carries the genetic blueprint?
4. The complete loss of a protein's functional three-dimensional structure is termed:
5. Which amino acid is unique in that it is an imino acid, containing a secondary amino group in its side chain?
6. Collagen is a protein that primarily serves which biological function?
7. Which protein is responsible for transporting oxygen in the blood?
8. Antibodies are proteins that function as:
9. Which of the following is an example of a protein with a biological function as a hormone?
10. What is the primary function of RNA in protein synthesis?
11. What is the primary function of DNA?
12. The process by which the genetic code in mRNA is used to synthesize proteins is called:
13. The process by which genetic information from DNA is copied into RNA is called:
14. Ribosomal RNA (rRNA) is a major component of:
15. Which type of RNA is involved in protein synthesis by bringing amino acids to the ribosome?
16. Which type of RNA carries genetic information from DNA to ribosomes?
17. RNA typically exists as a:
18. DNA typically exists as a:
19. The sugar component in RNA is:
20. The sugar component in DNA is:
21. Which nitrogenous base is found in RNA but not in DNA?
22. What are the four nitrogenous bases found in DNA?
23. Each nucleotide consists of three components: a phosphate group, a pentose sugar, and a:
24. Nucleic acids are polymers made up of repeating units called:
25. Which of the following is a fat-soluble vitamin?
26. Vitamin K is primarily involved in:
27. Deficiency of Vitamin D can lead to which condition?
28. Which vitamin is known as ascorbic acid and is important for collagen synthesis?
29. Vitamins are essential organic compounds that:
30. Which of the following is NOT a vitamin?
31. An organic cofactor is called a:
32. What is a cofactor in enzymatic reactions?
33. The specific region on an enzyme where a substrate binds is called the:
34. Enzymes are typically which type of biomolecule?
35. What is the biological role of enzymes?
36. Does denaturation affect the primary structure of a protein?
37. Which of the following can cause protein denaturation?
38. Denaturation of a protein involves the disruption of:
39. Hemoglobin, an oxygen-carrying protein, exhibits which level of protein structure?
40. The arrangement of multiple polypeptide subunits in a protein complex refers to its:
41. Which type of interactions contribute to the tertiary structure of proteins?
42. The three-dimensional folding of a single polypeptide chain into a compact, globular form is known as:
43. Which type of bond stabilizes the alpha-helix and beta-pleated sheet structures?
44. Alpha-helix and beta-pleated sheet are examples of which level of protein structure?
45. The sequence of amino acids in a polypeptide chain defines its:
46. A peptide bond is formed between which two functional groups of adjacent amino acids?
47. What type of bond links amino acids together in a polypeptide chain?
48. Which functional group is characteristic of amino acids?
49. How many standard amino acids are commonly found in proteins?
50. What is the basic building block of proteins?